Michael and Norman's school is studying space flight, practicing countdowns, trying space food, and running their own missions. The boys' giant sock-eating pet plants, Stanley and Fluffy, are chosen as last-minute replacements for a plant experiment on the real Space Shuttle, and Stanley goes on the flight, keeping the astronauts in an uproar with his antics. | The Plant That Ate Dirty Socks Goes Up in Space by Nancy Mcarthur, Paperback | Indigo Chapters