Book of Nightmares - Diadem, Bk 6 Author:John Peel Pixel has been taken prisoner on Zarathan, where your worst dreams come to life and to fall asleep means certain death. Now, Score and Helaine must face their darkest fears as they embark on a risky mission to rescue Pixel from one of the most dangerous planets in the Diadem. — As Helaine and Score battle ferocious skeletons... more », undead corpses, and blood-drinking ghosts, they encounter a tricky new problem -- how do you kill something that's already dead? Score, Helaine, and Pixel don't know it yet, but their nightmare has just begun...« less