The Unlimited Squirrels are back for a nutty and hilarious new adventure. Zoom Squirrel wants to try out an exciting new superpower, and he is getting some special help from a secret guest known only as the Mystery Reader. The only problem is that the squirrel pals have absolutely no idea who is hiding behind the mask. As Zoom Squirrel practices his reading skills, the rest of the furry gang is determined to uncover the true identity of their masked friend. They look for clues and make wild guesses while navigating a series of funny mix ups. Packed with silly jokes, quirky quizzes, and fascinating acorn facts, this highly interactive story keeps readers guessing right alongside the characters. It is an energetic and laugh out loud celebration of learning to read, perfect for keeping newly independent readers engaged and turning the pages from beginning to end.