The Quantum Thief, written by Hannu Rajaniemi, is a science fiction novel set in a future where quantum technology has transformed society. The story follows Jean le Flambeur, a master thief who is released from prison to complete a seemingly impossible heist. With its blend of hard science fiction, posthumanist concepts, and intricate world-building, The Quantum Thief offers a captivating exploration of transhumanist themes and the nature of identity.