The Ultimate Pocket Guide is a book based on Avatar: The Last Airbender created by Tom Mason and Dan Danko. It is based on information from both Book One: Water and Book Two: Earth. It contains information pertaining to the characters, locations, and culture of the World of Avatar. It was published by Nickelodeon on March 1, 2013.
"If you like Avatar: The Last Airbender, this is the perfect book for you! Chock-full of neat facts and trivia, it also includes a quiz to determine which character you're most like and even a map to help you track who has a crush on whom. Your key to everything Avatar is right at your fingertips in this ultimate guide!"
The Ultimate Pocket Guide includes the history of all four nations as well as other information, a quiz which determines whether the reader is most similar to Aang, Katara, or Sokka, a chart detailing which characters are attracted to which, a section about the bending arts, and intermittent pieces of Avatar trivia. The last page of the book contains a "Who said it?" quotation challenge.