In the tradition of truly fantastic storytelling, Verdigris Deep is a darkly witty, utterly creepy and clever novel by Frances Hardinge, author of The Lie Tree.Verdigris n. a blue-green rust that tarnishes ageing and forgotten copper coins, altering them entirely . . .One evening, Ryan and his friends steal some coins from a well. Soon after, strange things begin to happen. Peculiar marks burn on Ryan's knuckles a...