Help! I'm a Boy

In Hamburg, an aged sorcerer is searching for a replacement. Freddie, who's about 12, finds the wizard's book of spells and knows enough to read a few lines to his friend Emma. She repeats the lines adding exasperation about Mickey, a boy who's often mean to her. The next morning, Mickey finds himself in Emma's body, and Emma finds herself in Mickey's body. The wizard tracks down the book, takes i…