Selena the Sleepover Fairy is a special, longer edition of the Rainbow Magic series. Selena is responsible for the magic that ensures all children’s sleepovers are fun, filled with games, and end in happy memories. When her magic is stolen by Jack Frost, sleepovers become boring, arguments break out, and everything goes wrong. Rachel and Kirsty must embark on a special, large-scale mission to restore the magical fun to children's overnight parties.