Struggling to fit in at an American school, 13-year-old immigrant Hana also battles hostile, animal-like warriors from the dimension of Argon Falls. When Hana and Tomo return to that world, they're shocked to find their friends being held captive. Will they be able to fight off their enemies and rescue their comrades? Ages 9 to 12. 160 pages, softcover from Zonderkidz.