Rainbow Grey (Rainbow Grey Series) by Laura Ellen Anderson
A magical new series from best-selling author and illustrator, Laura Ellen Anderson!
Ten-year-old Ray Grey lives in the magical Weatherlands, high in the sky. Ray is surrounded by Weatherlings with astounding weather power at their fingertips . . . but she doesn't have ANY magic!
Then, after a trip to Earth, Ray's life changes forever. She is transformed from Ray Grey into RAINBOW GREY! With the help of her best friends (and exploding cloud cat, Nim) now all Ray has to do is master her powers AND save the world from a mysterious, powerful enemy . . .