Title: The Extreme
Description: When the evil Yeerks start wreaking havoc at the North Pole, Marco and the other Animorphs must use their special powers to stop them from taking over one of the coldest places on Earth.
Subjects: Extraterrestrial beings, Science fiction, Juvenile fiction, Metamorphosis, Fiction, Children's fiction, Adventure and adventurers, fiction, Animorphs (fictitious characters), fiction, Extraterrestrial beings, fiction, series:Animorphs, collectionID:Animorphs