Cover shows Herbie, dressed as Star Trek's Mr. Spock, using one hand to hold a lollipop and the other to give the Vulcan sign for "Live Long and Prosper". Difficult to read name in lower left of cover; may be "David & Dan Day."
Herbie Popnecker; Pincus Popnecker; Mrs. Popnecker; Dr. Dimwit
Synopsis
Herbie's father opens a balloon company, but his balloons do not fly. Herbie gets a job with Dr. Dimwit, who has discovered Planet Percival, where lollipops have uplifting powers.
To win money to build a swimming pool, Herbie gets his father to enter a space race. When Herbie finds that his neighbor, Professor Flipdome is away, he builds his own rocket and gets his animal friends to power it. Herbie races Black Bumby, who does his best to stop Herbie's rocket.