Crooked Kingdom by Leigh Bardugo is the second novel in the Six of Crows duology, set in the author's Grishaverse. The story follows Kaz Brekker and his crew as they return to the dangerous streets of Ketterdam after a major heist, facing betrayal, powerful enemies, and new threats. Combining elaborate schemes, crime, magic, adventure, and complex character relationships, the novel explores themes of loyalty, revenge, trust, friendship, and survival. It is particularly suitable for readers who enjoy young adult fantasy, dark fantasy, heist stories, magical worlds, and character-driven adventures.