Supplementary Books (Diary of a Wimpy Kid) The Diary of a Wimpy Kid: Do-It Yourself Book is an activity book created by American author and game designer Jeff Kinney. This book is divided into two sections: an activity section and a "What"s Your Story?" section, allowing the reader to write their own journal. The hardcover version of the book features 16 pages of full-color comics in the middle of the book, between the two sections (32 in updated version). It was published by Abram Books through their imprint, Amulet Book