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

Lady In Red

This app has made waiting in lines and queues an opportunity for exploration and enjoyment. The app's performance is nothing short of impressive – smooth, responsive, and designed with audiobook lovers in mind. Makes listening to audiobooks so easy and enjoyable. Thank you, ListenBook! The playback speed control is a game-changer. ListenBook lets me listen at my own pace.

Ex0tic

This app's compatibility with different formats ensures that I never miss out on a great audiobook. ListenBook’s interface is beautiful and functional. It’s my favorite app for audiobooks.

Dove Dolce

Savoring stories has never been this smooth – this app's functionality is genius. Looping playback of a single track helps me focus and absorb complex content. The ability to download audiobooks directly is fantastic. ListenBook is very convenient.

PixelPathfinder

I've found my new favorite way to relax – cuddled up with an audiobook. The fact that ListenBook supports a wide range of formats without DRM protection is a huge win. ListenBook's audio filters have given me the power to tailor my listening experience to my preferences. Sharing audiobooks through AirDrop is a delightful way to connect with fellow book lovers. The app is so responsive. It never lags or freezes.

9Lives

Sharing audiobooks with friends through AirDrop and Sharing on ListenBook Pro is a brilliant way to connect. This app has rekindled my passion for storytelling in the most convenient way.

Canine Hannibal

ListenBook's support for a variety of download methods means I can access my content in the way that suits me best. I can't imagine a day without this app – it has made my audiobook journey seamless and fulfilling. Tone adjustment is an innovative touch that adds a personal connection to the audiobook narration. It's like having a custom reading experience. The app is super intuitive. I was up and running in minutes. The app is perfect for road trips. It keeps me entertained for hours.