Jack and Angus: Up, Up and Away, Oh No! Book One
Jack and Angus are having a wonderful time at the Balloon Fiesta. They decide to take a nap in a big box that turns out not to be a box at all, but a gondola attached to a hot-air balloon! Suddenly, they are flying high in the sky in a runaway hot-air balloon. Can they work together to get the balloon down? Will the mystery passenger decide to help them before it's too late?