Thirteen-year-old Meg Murry, her little brother Charles Wallace, and their friend Calvin are guided by unearthly strangers as they go on a journey through space and time to search for Meg's and Charles' scientist father who disappeared while experimenting with a new form of space travel.

"When working on the planet Cholganna, Christina falls in love with a baby nexu - a cat-like creature who's fluffiness is impossible to resist. But when she sneaks the nexu - named "Fluffernut"--Back into the dorms, Christina slowly begins to realize why it's never a good idea to take wild animals for pets. Fluffernut begins growing and growing - she'll eventually grow to be 14 feet long and 3 feet tall! Plus, she's chewing up EVERYTHING in sight....