The Animorphs are a group of teenagers who have the power to morph into any animal they touch, thanks to a dying alien who gave them this ability. They use their morphing skills to fight against a secret invasion of Earth by a race of parasitic aliens called Yeerks, who can take over the minds of any living creature. The Animorphs face danger, horror, and moral dilemmas as they struggle to save their planet and themselves from the Yeerks. The Animorphs series is a science fantasy adventure that explores themes of war, identity, and courage.
Written by Katherine Applegate and her husband Michael Grant under the pen name K.A. Applegate.