"A magical solution . . .
Peter Bums has a huge crush on Mary Wallace. But Mary doesn't think Peter is the boy for her--and Mary's friends in the Unicorn Club are certain that Peter is the wrong kind of boyfriend for a Unicorn! No matter what Mary says, Peter won't take the hint. Then Mary and the other Unicorns stir up a fake magical brew to sell at the Sweet Valley Middle School Carnival. Will this love potion work some real magic and change Mary's mind about Peter?