argreaves asked his father, "What does a tickle look like?" That question inspired Roger Hargreaves to invent Mr. Tickle and all his friends in Mr. Men Land, and those quirky characters have sold millions of copies worldwide since. This anniversary edition box set comes with the first ten Mr. Men books in hardcover: Mr. Tickle, Mr. Greedy, Mr. Happy, Mr. Nosey, Mr. Sneeze, Mr. Bump, Mr. Snow, Mr. Messy, Mr. Topsy-Turvy, and Mr. Silly.