When Will Solvit visits an old castle, he finds himself on his spookiest adventure yet! Ghosts tell him to go back in time, where he discovers a fire-breathing dragon and some clues to find his mom. Battling bands of ghostly knights and real ones, Will must prove himself and guard his amulet, which has more power than he ever imagined. Featuring cool facts, easy to read text, and a whole lot of mysteries to solve, Will Solvit makes a great companion for middle readers ages 6-11. This is the tenth book in the Will Solvit Series - be sure to check out all 12 adventures!