Couri Vine

The story takes place in a future city on the Moon. Eleven-year-old Couri Vine is devastated when her grandfather is taken prisoner by Moon Leader Todal. To get to the bottom of it, Couri uncovers secrets about her grandfather and finds a rocketship that takes her to the planet Earth. What she discovers is that her greatest weakness may give her the power to stop the Moon Leader before he destroys Earth forever.