Subtle Knife By Philip Pullman. This is book two in his Dark Materials series. In this stunning sequel to The Golden Compass, the intrepid Lyra finds herself in a shimmering, haunted otherworld--Cittagazze, where soul-eating Specters stalk the streets and wingsbeats of distant angels sound agaisnt the sky. But she is not without allies: twelve-year-old Will Parry, fleeing for his life after taking another's has also stumbled into this strange new realm. PB 326 pgs.