diff --git a/Audiobookshelf swift/ABSService.swift b/Audiobookshelf swift/ABSService.swift
new file mode 100644
index 0000000..99b0cc5
--- /dev/null
+++ b/Audiobookshelf swift/ABSService.swift	
@@ -0,0 +1,98 @@
+import Foundation
+
+class ABSService: ObservableObject {
+    static let shared = ABSService()
+    
+    func fetchLibraries(serverURL: String, token: String) async throws -> [Library] {
+        let url = URL(string: "\(serverURL)/api/libraries")!
+        var request = URLRequest(url: url)
+        request.setValue("Bearer \(token)", forHTTPHeaderField: "Authorization")
+        
+        let (data, _) = try await URLSession.shared.data(for: request)
+        let response = try JSONDecoder().decode(LibrariesResponse.self, from: data)
+        return response.libraries
+    }
+    
+    func fetchBooks(serverURL: String, token: String, libraryId: String) async throws -> [AudiobookItem] {
+        let url = URL(string: "\(serverURL)/api/libraries/\(libraryId)/items?limit=100")!
+        var request = URLRequest(url: url)
+        request.setValue("Bearer \(token)", forHTTPHeaderField: "Authorization")
+        
+        let (data, _) = try await URLSession.shared.data(for: request)
+        let response = try JSONDecoder().decode(LibraryItemsResponse.self, from: data)
+        return response.results.compactMap { item in
+            AudiobookItem(
+                id: item.id,
+                title: item.media.metadata.title ?? "Unbekannt",
+                author: item.media.metadata.authorName ?? "Unbekannt",
+                coverURL: item.media.coverPath != nil ? "\(serverURL)/api/items/\(item.id)/cover" : nil,
+                duration: item.media.duration ?? 0,
+                mediaFiles: item.media.audioFiles?.map {
+                    AudiobookItem.MediaFile(ino: $0.ino, name: $0.metadata.filename, path: $0.metadata.path)
+                } ?? []
+            )
+        }
+    }
+    
+    func fetchProgress(serverURL: String, token: String, itemId: String) async throws -> LibraryProgress? {
+        let url = URL(string: "\(serverURL)/api/me/progress/\(itemId)")!
+        var request = URLRequest(url: url)
+        request.setValue("Bearer \(token)", forHTTPHeaderField: "Authorization")
+        
+        let (data, response) = try await URLSession.shared.data(for: request)
+        guard (response as? HTTPURLResponse)?.statusCode == 200 else { return nil }
+        return try? JSONDecoder().decode(LibraryProgress.self, from: data)
+    }
+    
+    func updateProgress(serverURL: String, token: String, itemId: String, currentTime: Double, duration: Double) async {
+        guard let url = URL(string: "\(serverURL)/api/me/progress/\(itemId)") else { return }
+        var request = URLRequest(url: url)
+        request.httpMethod = "PATCH"
+        request.setValue("Bearer \(token)", forHTTPHeaderField: "Authorization")
+        request.setValue("application/json", forHTTPHeaderField: "Content-Type")
+        
+        let body: [String: Any] = [
+            "currentTime": currentTime,
+            "duration": duration,
+            "isFinished": currentTime >= duration - 5
+        ]
+        request.httpBody = try? JSONSerialization.data(withJSONObject: body)
+        try? await URLSession.shared.data(for: request)
+    }
+}
+
+// MARK: - API Response Models
+struct LibrariesResponse: Codable {
+    let libraries: [Library]
+}
+
+struct LibraryItemsResponse: Codable {
+    let results: [RawLibraryItem]
+}
+
+struct RawLibraryItem: Codable {
+    let id: String
+    let media: RawMedia
+}
+
+struct RawMedia: Codable {
+    let metadata: RawMetadata
+    let coverPath: String?
+    let duration: Double?
+    let audioFiles: [RawAudioFile]?
+}
+
+struct RawMetadata: Codable {
+    let title: String?
+    let authorName: String?
+}
+
+struct RawAudioFile: Codable {
+    let ino: String
+    let metadata: RawFileMetadata
+}
+
+struct RawFileMetadata: Codable {
+    let filename: String
+    let path: String
+}
diff --git a/Audiobookshelf swift/AuthManager.swift b/Audiobookshelf swift/AuthManager.swift
new file mode 100644
index 0000000..e69de29
diff --git a/Audiobookshelf swift/LibraryView.swift b/Audiobookshelf swift/LibraryView.swift
new file mode 100644
index 0000000..0b6b9be
--- /dev/null
+++ b/Audiobookshelf swift/LibraryView.swift	
@@ -0,0 +1,72 @@
+//
+//  LibraryView.swift
+//  Audiobookshelf swift
+//
+//  Created by Guido Schmit on 13.05.2026.
+//
+
+
+import SwiftUI
+
+struct LibraryView: View {
+    @ObservedObject var authManager: AuthManager
+    @State private var books: [AudiobookItem] = []
+    @State private var isLoading = true
+    @State private var errorMessage = ""
+    
+    var body: some View {
+        NavigationView {
+            Group {
+                if isLoading {
+                    ProgressView("Lädt Bibliothek...")
+                } else if !errorMessage.isEmpty {
+                    Text(errorMessage).foregroundColor(.red)
+                } else {
+                    ScrollView {
+                        LazyVGrid(columns: [GridItem(.adaptive(minimum: 150))], spacing: 16) {
+                            ForEach(books) { book in
+                                BookCard(book: book, authManager: authManager)
+                            }
+                        }
+                        .padding()
+                    }
+                }
+            }
+            .navigationTitle("Meine Bibliothek")
+            .toolbar {
+                Button("Logout") {
+                    authManager.logout()
+                }
+            }
+        }
+        .onAppear { loadBooks() }
+    }
+    
+    func loadBooks() {
+        guard let serverURL = authManager.serverURL,
+              let token = authManager.token else { return }
+        
+        // Erst Libraries laden, dann Bücher
+        let url = URL(string: "\(serverURL)/api/libraries")!
+        var request = URLRequest(url: url)
+        request.setValue("Bearer \(token)", forHTTPHeaderField: "Authorization")
+        
+        URLSession.shared.dataTask(with: request) { data, _, error in
+            guard let data = data else { return }
+            if let json = try? JSONSerialization.jsonObject(with: data) as? [String: Any],
+               let libraries = json["libraries"] as? [[String: Any]],
+               let firstLib = libraries.first,
+               let libId = firstLib["id"] as? String {
+                loadBooksFromLibrary(libId: libId, serverURL: serverURL, token: token)
+            }
+        }.resume()
+    }
+    
+    func loadBooksFromLibrary(libId: String, serverURL: String, token: String) {
+        let url = URL(string: "\(serverURL)/api/libraries/\(libId)/items")!
+        var request = URLRequest(url: url)
+        request.setValue("Bearer \(token)", forHTTPHeaderField: "Authorization")
+        
+        URLSession.shared.dataTask(with: request) { data, _, _ in
+            guard let data = data else { return }
+            if let json = try? JSON
diff --git a/Audiobookshelf swift/LoginResponse.swift b/Audiobookshelf swift/LoginResponse.swift
new file mode 100644
index 0000000..fa37989
--- /dev/null
+++ b/Audiobookshelf swift/LoginResponse.swift	
@@ -0,0 +1,46 @@
+import Foundation
+
+// MARK: - Auth
+struct LoginResponse: Codable {
+    let user: UserResponse
+}
+
+struct UserResponse: Codable {
+    let token: String
+    let id: String
+}
+
+// MARK: - Library
+struct Library: Codable, Identifiable {
+    let id: String
+    let name: String
+}
+
+// MARK: - AudiobookItem
+struct AudiobookItem: Identifiable {
+    let id: String
+    let title: String
+    let author: String
+    let coverURL: String?
+    let duration: Double
+    let mediaFiles: [MediaFile]
+    
+    struct MediaFile {
+        let ino: String
+        let name: String
+        let path: String
+    }
+}
+
+// MARK: - Progress
+struct LibraryProgress: Codable {
+    let currentTime: Double
+    let duration: Double?
+    let isFinished: Bool?
+    
+    enum CodingKeys: String, CodingKey {
+        case currentTime
+        case duration
+        case isFinished
+    }
+}
diff --git a/Audiobookshelf swift/PlayerView.swift b/Audiobookshelf swift/PlayerView.swift
new file mode 100644
index 0000000..2ce3b49
--- /dev/null
+++ b/Audiobookshelf swift/PlayerView.swift	
@@ -0,0 +1,215 @@
+import SwiftUI
+import AVFoundation
+
+struct PlayerView: View {
+    let book: AudiobookItem
+    @EnvironmentObject var authManager: AuthManager
+    @StateObject private var vm = PlayerViewModel()
+    
+    var body: some View {
+        VStack(spacing: 24) {
+            // Cover
+            if let coverURL = book.coverURL, let url = URL(string: coverURL) {
+                AsyncImage(url: url) { image in
+                    image.resizable().aspectRatio(contentMode: .fit)
+                } placeholder: {
+                    Rectangle().fill(Color.gray.opacity(0.3))
+                        .overlay(Image(systemName: "book.fill").font(.largeTitle).foregroundColor(.gray))
+                }
+                .frame(maxWidth: 280, maxHeight: 280)
+                .cornerRadius(12)
+                .shadow(radius: 8)
+            } else {
+                Rectangle().fill(Color.gray.opacity(0.3))
+                    .frame(width: 280, height: 280)
+                    .cornerRadius(12)
+                    .overlay(Image(systemName: "book.fill").font(.largeTitle).foregroundColor(.gray))
+            }
+            
+            // Titel & Autor
+            VStack(spacing: 4) {
+                Text(book.title)
+                    .font(.title2).bold()
+                    .multilineTextAlignment(.center)
+                Text(book.author)
+                    .font(.subheadline)
+                    .foregroundColor(.secondary)
+            }
+            .padding(.horizontal)
+            
+            // Fortschrittsbalken
+            VStack(spacing: 4) {
+                Slider(value: $vm.currentTime, in: 0...max(vm.duration, 1)) { editing in
+                    if !editing {
+                        vm.seek(to: vm.currentTime)
+                    }
+                }
+                .padding(.horizontal)
+                
+                HStack {
+                    Text(formatTime(vm.currentTime))
+                    Spacer()
+                    Text(formatTime(vm.duration))
+                }
+                .font(.caption)
+                .foregroundColor(.secondary)
+                .padding(.horizontal)
+            }
+            
+            // Steuerung
+            HStack(spacing: 40) {
+                Button(action: { vm.skip(-30) }) {
+                    Image(systemName: "gobackward.30")
+                        .font(.title)
+                }
+                
+                Button(action: { vm.togglePlayPause() }) {
+                    Image(systemName: vm.isPlaying ? "pause.circle.fill" : "play.circle.fill")
+                        .font(.system(size: 64))
+                }
+                
+                Button(action: { vm.skip(30) }) {
+                    Image(systemName: "goforward.30")
+                        .font(.title)
+                }
+            }
+            .foregroundColor(.accentColor)
+            
+            // Wiedergabegeschwindigkeit
+            HStack {
+                Text("Geschwindigkeit:")
+                    .font(.caption)
+                Picker("", selection: $vm.playbackRate) {
+                    Text("0.75x").tag(Float(0.75))
+                    Text("1.0x").tag(Float(1.0))
+                    Text("1.25x").tag(Float(1.25))
+                    Text("1.5x").tag(Float(1.5))
+                    Text("2.0x").tag(Float(2.0))
+                }
+                .pickerStyle(.segmented)
+            }
+            .padding(.horizontal)
+            
+            Spacer()
+        }
+        .padding(.top)
+        .navigationTitle("Player")
+        .navigationBarTitleDisplayMode(.inline)
+        .onAppear {
+            vm.setup(book: book, authManager: authManager)
+        }
+        .onDisappear {
+            vm.saveProgress(authManager: authManager)
+        }
+    }
+    
+    func formatTime(_ seconds: Double) -> String {
+        let s = Int(seconds)
+        return String(format: "%d:%02d:%02d", s/3600, (s%3600)/60, s%60)
+    }
+}
+
+// MARK: - PlayerViewModel
+class PlayerViewModel: ObservableObject {
+    @Published var isPlaying = false
+    @Published var currentTime: Double = 0
+    @Published var duration: Double = 0
+    @Published var playbackRate: Float = 1.0 {
+        didSet { player?.rate = isPlaying ? playbackRate : 0 }
+    }
+    
+    private var player: AVPlayer?
+    private var playerItem: AVPlayerItem?
+    private var timeObserver: Any?
+    private var book: AudiobookItem?
+    private var authManager: AuthManager?
+    
+    func setup(book: AudiobookItem, authManager: AuthManager) {
+        self.book = book
+        self.authManager = authManager
+        
+        guard let serverURL = authManager.serverURL,
+              let token = authManager.token,
+              let firstFile = book.mediaFiles.first else { return }
+        
+        let urlString = "\(serverURL)/api/items/\(book.id)/file/\(firstFile.ino)"
+        guard let url = URL(string: urlString) else { return }
+        
+        var request = URLRequest(url: url)
+        request.setValue("Bearer \(token)", forHTTPHeaderField: "Authorization")
+        
+        let asset = AVURLAsset(url: url, options: ["AVURLAssetHTTPHeaderFieldsKey": ["Authorization": "Bearer \(token)"]])
+        playerItem = AVPlayerItem(asset: asset)
+        player = AVPlayer(playerItem: playerItem)
+        
+        // Duration
+        Task {
+            if let dur = try? await asset.load(.duration) {
+                await MainActor.run {
+                    self.duration = dur.seconds
+                }
+            }
+        }
+        
+        // Fortschritt laden
+        Task {
+            if let progress = try? await ABSService.shared.fetchProgress(
+                serverURL: serverURL, token: token, itemId: book.id) {
+                await MainActor.run {
+                    self.currentTime = progress.currentTime
+                    self.player?.seek(to: CMTime(seconds: progress.currentTime, preferredTimescale: 1000))
+                }
+            }
+        }
+        
+        // Time Observer
+        let interval = CMTime(seconds: 1, preferredTimescale: 1000)
+        timeObserver = player?.addPeriodicTimeObserver(forInterval: interval, queue: .main) { [weak self] time in
+            self?.currentTime = time.seconds
+        }
+    }
+    
+    func togglePlayPause() {
+        guard let player else { return }
+        if isPlaying {
+            player.pause()
+        } else {
+            player.rate = playbackRate
+        }
+        isPlaying.toggle()
+    }
+    
+    func skip(_ seconds: Double) {
+        guard let player else { return }
+        let newTime = max(0, min(currentTime + seconds, duration))
+        player.seek(to: CMTime(seconds: newTime, preferredTimescale: 1000))
+        currentTime = newTime
+    }
+    
+    func seek(to time: Double) {
+        player?.seek(to: CMTime(seconds: time, preferredTimescale: 1000))
+    }
+    
+    func saveProgress(authManager: AuthManager) {
+        guard let book,
+              let serverURL = authManager.serverURL,
+              let token = authManager.token else { return }
+        
+        Task {
+            await ABSService.shared.updateProgress(
+                serverURL: serverURL,
+                token: token,
+                itemId: book.id,
+                currentTime: currentTime,
+                duration: duration
+            )
+        }
+    }
+    
+    deinit {
+        if let timeObserver {
+            player?.removeTimeObserver(timeObserver)
+        }
+        player?.pause()
+    }
+}
diff --git a/LibraryView.swift b/LibraryView.swift
new file mode 100644
index 0000000..4df9d87
--- /dev/null
+++ b/LibraryView.swift
@@ -0,0 +1,64 @@
+import SwiftUI
+
+struct LibraryView: View {
+    @ObservedObject var authManager: AuthManager
+    @State private var books: [AudiobookItem] = []
+    @State private var isLoading = true
+    @State private var errorMessage = ""
+    
+    var body: some View {
+        NavigationView {
+            Group {
+                if isLoading {
+                    ProgressView("Lädt Bibliothek...")
+                } else if !errorMessage.isEmpty {
+                    Text(errorMessage).foregroundColor(.red)
+                } else {
+                    ScrollView {
+                        LazyVGrid(columns: [GridItem(.adaptive(minimum: 150))], spacing: 16) {
+                            ForEach(books) { book in
+                                BookCard(book: book, authManager: authManager)
+                            }
+                        }
+                        .padding()
+                    }
+                }
+            }
+            .navigationTitle("Meine Bibliothek")
+            .toolbar {
+                Button("Logout") {
+                    authManager.logout()
+                }
+            }
+        }
+        .onAppear { loadBooks() }
+    }
+    
+    func loadBooks() {
+        guard let serverURL = authManager.serverURL,
+              let token = authManager.token else { return }
+        
+        // Erst Libraries laden, dann Bücher
+        let url = URL(string: "\(serverURL)/api/libraries")!
+        var request = URLRequest(url: url)
+        request.setValue("Bearer \(token)", forHTTPHeaderField: "Authorization")
+        
+        URLSession.shared.dataTask(with: request) { data, _, error in
+            guard let data = data else { return }
+            if let json = try? JSONSerialization.jsonObject(with: data) as? [String: Any],
+               let libraries = json["libraries"] as? [[String: Any]],
+               let firstLib = libraries.first,
+               let libId = firstLib["id"] as? String {
+                loadBooksFromLibrary(libId: libId, serverURL: serverURL, token: token)
+            }
+        }.resume()
+    }
+    
+    func loadBooksFromLibrary(libId: String, serverURL: String, token: String) {
+        let url = URL(string: "\(serverURL)/api/libraries/\(libId)/items")!
+        var request = URLRequest(url: url)
+        request.setValue("Bearer \(token)", forHTTPHeaderField: "Authorization")
+        
+        URLSession.shared.dataTask(with: request) { data, _, _ in
+            guard let data = data else { return }
+            if let json = try? JSON