Goldie, an impulsive and bold twelve-year-old, escapes the oppressive city of Jewel, where children are required to wear guardchains for their protection, and finds refuge in the extraordinary Museum of Dunt, an ever-shifting world where she discovers a useful talent for thievery and mysterious secrets that threaten her city and everyone she loves.

Jerusalem, 1192. The Third Crusade rages on. Rahma al-Hud loyally followed her elder sister Zeena into the war over the Holy Land, but now that the Faranji invaders have gotten reinforcements from Richard the Lionheart, all she wants to do is get herself and her sister home alive. But Zeena, a soldier of honor at heart, refuses to give up the fight while Jerusalem remains in danger of falling back into the hands of the false Queen Isabella. And so,...