Book excerpt: Rule age 10 with the earth-shattering secrets and must-know tips they won’t teach you in school What’s the best gift for a kid who’s turned 10? Everything they need to know! Ten is a major year in every kid’s life. It’s when they finally reach double digits—and that means more freedom and responsibility. It also means there’s a ton of stuff to learn, and some of it’s pretty important. Inside this hilarious handbook is the information kids need to make 10 one of the best years of their lives—from the fun to the serious to the downright disgusting.