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

BlackExcalibur

The statistics feature is a fantastic addition – knowing how much time I spend on audiobooks is eye-opening, and ListenBook makes tracking it a breeze. The app's compatibility with various sources for audio download is a true time-saver.

Frosty

This audiobook app is an absolute lifesaver! It brings my favorite stories to life with unparalleled convenience. 📱 My secret to staying well-read – this app ensures that I'm never without a book, no matter where I am! 📚📱 🔥 Streamlined functionality that's music to my ears – audiobook enjoyment has reached a new level of convenience. 🎵📖

Pepper Prada

This app makes traffic jams a breeze – time flies by while I'm engrossed in a story. ListenBook's compatibility with multiple downloading methods ensures there's always a way to get my content. 🎉 This app's functionality is a masterpiece – it seamlessly integrates audiobooks into my daily routine. 📚🎨 Looping playback is an invaluable study tool. It helps me absorb complex information effortlessly.

Duke Electro

ListenBook's compatibility with CarPlay and Apple Watch integration is a brilliant touch. ListenBook Pro's noise reduction feature is a game-changer. My audio quality has improved dramatically.

Sun Lemon

I've started reading more books than ever before, all thanks to this app. Finally, an app that respects my busy lifestyle. Whether I'm commuting or exercising, this app's smooth playback and smart controls keep me engaged. 🏃‍♀️🎧 The playback controls are so responsive. No lag at all.

AlertXis

The sheer variety of genres available ensures there's something for everyone. ListenBook's features are a dream come true for anyone who loves to learn on the go. The audio filters make a noticeable difference. ListenBook provides an excellent listening experience.