A unique and original puzzle adventure featuring a boy and his lost shadow.Enter Castle Chiaroscuro, where the Boy and his shadow, Skulk, have been separated and are desperate to find each other. Now Skulk must navigate his way up from the deep dungeons, solving a fiendish puzzle at every level. This unique and entirely original puzzle adventure book will test courageous puzzle fans to their limits!Created by Robin Etherington, the author of mind-bending children's graphic novels, puzzle books and illustrated novels.