Listen to Groundwork on the Metaphysics of Morals by Immanuel Kant

Gentle Avenger

ListenBook's support for playlists in the CUE format makes organizing and enjoying audiobook series a delightful experience. ListenBook has completely changed how I enjoy audiobooks. The app is packed with features like customizable skip intervals, playback speed, and sleep timers. The interface is clean and easy to navigate. Five stars!

Flotsams54

This app is not just about convenience – it's a gateway to new horizons of knowledge. ListenBook’s support for CarPlay and Apple Watch is fantastic. I can listen anywhere. ListenBook’s playback speed control is very useful. I can listen at my own pace. I love the car mode. It’s so convenient for listening while driving. I love the ability to change the background color. It’s a nice touch.

Dove Dolce

ListenBook's dedication to excellence is evident in its well-designed interface, smooth playback, and powerful features. ListenBook's compatibility with CarPlay and Apple Watch has made audiobook listening a part of my daily routine. I'm blown away by the powerful audio downloading options. So versatile!

Shadow Bishop

📱 Accessing my favorite stories has never been this straightforward – this app's functionality is a bookworm's dream come true. 📚💫 Binaural audio processing is a game-changer – my ears stay comfortable during long listening sessions.

Jungle King

The app is so easy to use. I was up and running in minutes. I've found my new favorite narrator! Their voice was perfectly suited to this material, with just the right blend of authority and approachability. The production quality was broadcast-level - no distracting breaths, clicks, or inconsistent volume. Already looking for more of their work.

Dr. WMD

With this app, I can enjoy my favorite stories while traveling, making my journeys more delightful. Streamlining my audiobook journey – this app's design is top-notch. Finally, an app that supports all audiobook formats. It's a dream come true for audiophiles like me. The app is perfect for people who love to listen to books at night.