Midnight Rogue by Ian Livingstone

Set in the bustling city of Blacksand, the story follows a young thief who embarks on a perilous quest to prove his worth to the Thieves' Guild. Tasked with retrieving a valuable artifact known as the Eye of the Basilisk, the protagonist must navigate through a labyrinth of treacherous streets, cunning adversaries, and hidden dangers. With each decision shaping the outcome, the reader is drawn into a world of intrigue and adventure, where cunning, bravery, and a bit of luck are essential to survive and succeed in the shadowy underworld.