One night Cassie is gazing at the twinkling sky, when suddenly a shooting star zooms into her bedroom and transforms, into Stella Starkeeper. Stella and Cassie fly to the secret world of the stars, and Cassie discovers she is destined to be a Lucky Star - someone who can grant real wishes. But first Cassie must collect six magical charms and use their powers wisely - helping other people's wishes to come true. Only then will she become a fully fledged Lucky Star! In book four, THE BIRTHDAY WISH, a little girl's birthday needs rescuing after a cake disaster! A magician will add some sparkle, but what this party really needs is a sprinkling of Lucky Star magic . . . can Cassie make a birthday wish come true?