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

Athens Fire

ListenBook Pro's noise reduction feature is like a magic wand, transforming noisy environments into serene listening spaces. ListenBook’s playback is smooth and reliable. I never have issues with audio quality.

Centurion Sherman

As a visually impaired person, this app has opened up a new world of stories for me. ListenBook's integration of artwork and metadata adds a visually appealing touch to my library. The audio filters to adjust playback speed and volume are a fantastic addition for customizing my experience. ListenBook has made managing my audiobook collection a breeze. Library organization is top-notch. ListenBook is fantastic! Supports every audiobook format I have. Super convenient!

HOV

The fact that ListenBook doesn't just play, but enhances audio quality, is truly remarkable. ListenBook's loop and shuffle playback options have made audiobook revisiting and studying a breeze.

Swerve

Precise controls on ListenBook give me complete command over my audio playback. 🌌 Igniting my imagination while preparing dinner – this app adds flavor to every meal! 🍲📖 ListenBook has elevated my audiobook experience to new heights. It's a treasure trove of knowledge. I love how ListenBook makes it easy to organize my audiobook library. The app supports all formats, and the import process is a breeze. The playback controls are responsive, and the sound quality is excellent. Highly recommend! ListenBook is the ultimate audiobook player. The app supports all formats, and the import process is seamless. I love the playback history feature—it’s so easy to revisit my favorite parts. Highly recommend this app!

Chasm Face

I've become the go-to storyteller at bedtime with the help of this magical app. This app is a true gift for book lovers – it's like having a personal library wherever I go. I can't get enough of ListenBook's silky-smooth playback and intuitive design. It's my go-to app for both leisurely listening and study sessions. Sharing audiobooks through AirDrop is a wonderful way to share the joy of storytelling with friends, sparking engaging conversations and connections that transcend boundaries. I love the ability to change the playback pitch. It’s a unique feature.

New York Winder

ListenBook has brought the joy of audiobooks back into my life in a whole new way. I love how easy it is to download audiobooks with ListenBook. The app is incredibly convenient. 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! ListenBook has completely changed how I enjoy audiobooks. The app is packed with features like customizable skip intervals, playback speed, and sleep timers. The interface is clean and easy to navigate. Five stars!