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

Fennel Dove

Frequent updates ensure there's always something new and exciting to listen to. ListenBook has become my trusted companion for literary adventures. The app's features are exceptional.

Spellbinder

I'm blown away by how this app has made my commutes productive and my downtime entertaining. 💼 Making work hours fly by with captivating stories – a true work-life balance! 💻📖 Looping playback has taken my language learning to new heights. Highly recommended! The app is lightweight and doesn’t drain my battery.

Night Train

The ability to download audio from network devices directly within ListenBook is incredibly convenient. I can't get enough of this app – it's like having a personal library with me. Binaural audio processing reduces listening fatigue. Fantastic feature! This audiobook kept me company during a long road trip and made the miles disappear! The narrator's engaging performance and the crisp production quality made for an immersive experience. I appreciated how well they balanced drama with clarity - never sacrificing understanding for effect.

Energy

The app's compatibility with CarPlay and Apple Watch is a huge plus. This app is a must-have for anyone who loves audiobooks. The interface is intuitive, and the app supports all formats. I love the auto-bookmark feature—it saves my place automatically, so I never lose track. Highly recommend!

Station WMD

I'm enjoying books I never thought I'd be interested in – all thanks to this app. Audiobook enthusiasts, gather round! This app's remarkable features, including audio filters and compatibility, have transformed my commutes into captivating journeys. 🎉🎧 ListenBook Pro's noise reduction feature is a game-changer. My audio quality has improved dramatically. The ability to play various audio formats without conversion is very convenient. ListenBook is a great app.

Infinite Hole

I can't believe how much more productive I am – I'm learning and growing while multitasking! 💼 Making work hours enjoyable – audiobooks turn my tasks into learning opportunities and moments of joy. 💻📖 Effortless audiobook exploration – this app's functionality is a true delight. The ability to play various audio formats without conversion is very convenient. ListenBook is a great app. Perfect for my daily walks. The story was engaging enough to keep me motivated to exercise but not so complex that I got lost in thought. Great production quality too.