Betsy the Bookworm knows mysteries are great for children. Whodunits turn children into little detectives, encouraging them to use their imaginations, ask questions, collect clues, improve their problem-solving skills, and best of all: Read more mysteries!"Betsy the Bookworm and The Case of the Missing Bookcase" is an inventive page-turning picture book that children won't want to put down. And it's an attention-grabber for parents and teachers to read aloud with dramatic effects for story times. Join bookworms Aaron and Afton, two prankster brothers, on their quest to solve the mystery at the Reader Street Library in Bookville. Betsy the Bookworm needs help with this one. Join in the suspenseful fun! The book suits children ages 3 to 9, give or take.