There's a costume party at the library! Spot wants to dress up as his favorite character. Can you find Spot now that he's in costume? Join Spot and all his friends as they read books in the library and think about their favorite books and characters. With all the humor that made Where's Spot? a children's classic, the engaging lift-the-flap format, and a lovely celebration of reading and books, this is sure to be another favorite Spot adventure.