Maryellen is in charge of planning her tenth birthday, designing a flying machine, andmost important of alltaking care of the family dog, Scooter, on a camping trip. One night, while shes holding down the fort, Scooter disappears. Maryellen is desperate to find him before the others return, so she and her bossy big sister, Joan, set off to search the woods. Suddenly, Joan disappears. Now Maryellens really in charge, whether she wants to be or not! Can she find Scooter, rescue her sister, and figure out how to make something flyall in one night? Includes gorgeous full-color illustrations and a Looking Back historical section. 128 pages. Paperback. Author: Valerie Tripp.