Book excerpt: We all do it! It's a fact. And there are so many more facts about farting you probably don't know. The Book of Farts! This book contains everything you need to know about farts! From how many times you fart a day, whose fart smells the worst and also how farts lead to explosions 100 Facts About Farts is an easy to read astonishing book of facts for all ages . Explore this fun and smelly gas we all produce.You will not regret it!