When Pip the mouse floats off with Otto the robot's balloon, Otto and Zee the Bee go to the rescue.

Otto the robot lands on Earth, where he is chased by a rhinoceros and befriended by some monkeys.

With help from his friend Otto the robot, Pip the mouse tries to fly.

Illustrations and simple text relate how Zip, the unlucky alien magician, zaps a bot and tells it what to do, but the bot does not listen. Includes note to parents, introduction to the books vocabulary, and reading comprehension questions.

When Otto the robot has trouble learning to swing on vines like his monkey friends, he decides to make his own swing set instead.