Book excerpt: There's trouble in Hatchtopia! Help find the missing Hatchimal in this adorable adventure based on the bestselling toy. When siblings Ava and Oliver journey with their Hatchimals to the magical world of Hatchtopia, they quickly come across a worried Penguala. Her best friend, a Burtle, is nowhere to be found! What's more, they have a school project due soon, and need to locate a list of items--including the rare Oopsy-Daisy, which never grows in the same place twice. Can Ava and Oliver help find her missing friend and finish the assignment in time?