Maggie Sparks and the swimming pool sharks

"Maggie Sparks does not like swimming! It is cold, wet and worst of all, she is not very good at it. So when Mom decides to sign her up for swimming lessons, Maggie is not happy. Thankfully, Maggie is a super powerful, super smart, super talented witch. She is determined to use her powers to get into the elite Sharks swimming group and help her best friend, Arthur, along the way. All she needs is a little magic"--Provied by publisher.