Help defend today's youth against the painful consequences of growing up with this 3-book boxed set that captures our ever-so-slightly subversive streak. This is pure, unfiltered Klutz, in a conventional paperback format. The Encyclopedia of Immaturity: Short Attention Span Edition We present the best and most essential life skills and activities from our bestselling 2-volume set of Encyclopedias. The Klutz Book of Inventions: Hall of Fame Edition The most mind-blowing contraptions culled from our immature take on engineering and product design. The Greatest Facts in the History of Facts: An all-new book of mind-blowing realities, guaranteed to provide a lifetime of conversation starters. It's the truth's greatest hits, according to us.