Sky the Blue Fairy (Rainbow Magic, #5)

The seven Rainbow Fairies are missing! Rachel and Kirsty search for one in each RAINBOW MAGIC book. Read all seven books to help rescue the fairies and bring the sparkle back to Fairyland!
Fairyland is home to seven colorful sisters. Together, they are the Rainbow Fairies! They keep Fairyland dazzling and bright. But when evil Jack Frost sends them far away, the sisters are in big trouble. If they don't return soon, Fairyland is doomed to be gray forever!
The beach means bubble trouble for Sky the Blue Fairy. Can a special friend help Rachel and Kirsty track her down?