Listen to Ketones, The Fourth Fuel: Warburg to Krebs to Veech, the 250 Year Journey to Find the Fountain of Youth by Travis Christofferson

Troubled Chick

🎧 Fueling my audiobook addiction with this fantastic app – pure listening pleasure! 📚🔥 Audiobook journey simplified – this app's functionality is a wonderful surprise. Listening stats feature keeps me on track with my audiobook goals. Love it!

Nice Gnome

ListenBook's attention to detail in design and functionality sets it apart from other audiobook apps. I love the chapter navigation feature. ListenBook makes it easy to find specific sections. I’m so impressed with ListenBook. The app is reliable, fast, and packed with features like customizable themes and playback speed. The sleep timer is a lifesaver for bedtime listening. Highly recommend this app!

Uncle Buddy

Changing the tone of the sound on ListenBook Pro adds a personalized touch to my audiobook experience. Bookmarks have become my study companion. I can easily revisit important passages in my audiobooks. Supports all my playlists and bookmarks perfectly. Very convenient.

WordWanderer

The ListenBook app has transformed my device into a treasure trove of knowledge and entertainment. The app's interface is so sleek and modern. It's a joy to use.

Sylvester Eye

ListenBook's user-friendly controls and innovative features have made it an essential tool for my audiobook enjoyment. ListenBook has made my daily activities more interesting and meaningful – I'm hooked! With this app, I've rediscovered the joy of reading through my ears, making every moment more valuable.

Raid Bucker

Audiobooks have transformed my daily walks into a time of inspiration and learning. With ListenBook, my iPhone and iPad have become a gateway to a world of captivating stories. Savoring audiobooks without fuss – this app's design is impressive. I'm amazed by the app's versatility in downloading audio. It accommodates various sources seamlessly.