"The Marvell family is on the move, driving from their Wisconsin farm to visit the children's grandmother in Virginia. The night before departure, Mr. Marvell talks to Roger, Heather, and the twins about the wonders of the night sky and explains the zodiac--a beautiful trail traveled by the sun in the daytime and by the moon and planets at night"--Page [2] of cover.

Follows the experiences of a Chinese-American teen who is thrown into the middle of an epic global chase involving the release of twelve magical superpowers.