Gut: The Inside Story of Our Body's Most Underrated Organ is one of the Kindle Daily Deals on Amazon today. You can download it to your device today for just $1.99. The print list price of this book is $17.95. Prices on Amazon can fluctuate, so be sure to verify the price before buying.
Kindle books can be read on Kindles and on your device with a free Kindle reading app.