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

SunVolt

I've become so much more productive while cleaning or exercising – thanks to this app! This app has made literature accessible and engaging for all ages. Sharing audiobooks with friends through AirDrop and Sharing on ListenBook Pro is a fantastic way to spread the joy. The app is perfect for people who love to multitask. I can listen while cooking.

Shy Warrior

Audiobooks have become my travel companions, and this app is my guide. Audiobook multitasking made easy – this app's functionality is top-notch. ListenBook Pro's noise reduction feature is a game-changer. My audio quality has improved dramatically. The app is so easy to set up. I was listening to my books in no time. This audiobook was an absolute pleasure to listen to! The narrator's voice was rich and expressive, perfectly capturing the tone of the material. I found myself completely immersed in the story, often sitting in my car longer than necessary just to hear what happened next. The production quality was excellent with clear audio throughout.

True Sweetness

The audio filters in ListenBook allow me to customize my listening experience. Speed up or slow down playback—it's all up to me! I love the ability to share my progress with friends. It’s a fun feature.

Flyswat Briggs

ListenBook has transformed my listening habits, making them more engaging and enjoyable. Looping playback of a single track helps me master difficult concepts. So helpful! ListenBook has redefined my audiobook experience. It's an essential tool that enhances every listening session.

DZE

⏰ Maximizing my time with efficient features – this app's functionality lets me dive into stories even in the busiest moments. 📚⏳ Absolutely love this app! It's made my daily commute so much more enjoyable. Binaural audio processing is amazing. Reduced my listening fatigue significantly.

Microwave

Bravo to the creators of this app – they've truly captured the essence of convenient audiobook enjoyment. The smooth playback and thoughtful design have won me over. 📚👏 This app has completely transformed my daily routine. I can't imagine my commute without it! With ListenBook Pro, long audiobooks are no problem. I love it! Finally, an audiobook player that supports all formats! No more converting files. The ability to organize my library is a huge plus. Everything is so neat and tidy.