Scribe Publications, 2015
Great book about what goes on in your stomach! Easy to read science subject. (Beware the first chapter or two are all about poop, albeit containing useful information on the subject.)
Gut by Giulia Enders
Updated: Apr 15, 2020
No, I haven't read Gulp. If I do I'll tell you, thanks for mentioning!
About Gut, have you read Gulp by Mary Roach? If so, is it similar?