Author(s): K. A. Applegate
Rachel and her friends have been given the power to morph into any animal they touch. So when Rachel starts to suspect that one of her school friends has fallen into the control of the evil Yeers, she knows just the way to find out the truth.
K. A. Applegate is the author of the bestselling Animorphs series, as well as the Remnants and Everworld series, Home of the Brave, and the Roscoe Riley Rules series. She lives in Tiburon, California.