Yu Yu Hakusho Challenge - Ghost Files Author:Holly Kowitt Are you game? — Yusuke needs your help! It's not easy being a spirit detective. And now you can help Yusuke and his friends crack their toughest case yet. — All you need is in this jam-packed activity book. — Inside you'll find — Mind-boggling codes — Brain-teasing questions — Puzzling trivia and more! — Packed with Puzzles, Trivia, and More! It's the ... more »ultimate battle between good and evil. Dive in!« less