By Kean Soo. Portia has just moved to a new neighborhood with her mom. Adjusting to life without a father in hard enough, but school is boring and Portia's classmates are distant. Then, one night, Portia discovers a shy, sweet-natured monster in the woods behind her house. When he tries to eat her flashlight, she brings him home and offers him a tuna sandwich. And just like that, Portia has a new secret best friend - Jellaby. Convinced that Jellaby is lost, Portia decides to help him find him home. But their only clue is a photograph of a mysterious door in a neighboring city. How can a ten-year-old girl and a huge, purple monster make their way to Toronto on their own?