Book is in French The Quebec collection that tells you EVERYTHING, EVERYTHING, EVERYTHING on lots of subjects! Eurk. Weird. Serious ? Very cool ! . This book is for you! . In these pages you will learn everything you need to know about the mouth. Surprising things, useful (or completely superfluous) scientific information, often funny historical anecdotes, records, answers to all the questions, relevant or not at all, that you've always asked yourself! . Why are lips pink? What do fire eaters do? Why do we sometimes have bad breath? Is it possible to live without language? Did you know that there are 80 million bacteria in a kiss? . Go ahead, dive! But not with your mouth open... You will never have had so much pleasure reading a book, I swear!