"The Book of Jhereg" is a fantasy novel by Steven Brust, part of the Vlad Taltos series. It is a collection of interconnected stories that follow the adventures of Vlad, a human assassin living in the Dragaeran Empire, a world populated by various races, including the powerful Dragaerans. The book explores themes of loyalty, betrayal, and the complexities of life as an assassin. Vlad's interactions with his friends, enemies, and the mystical creature known as the Jhereg provide insight into his character and the challenges he faces in a society governed by ancient traditions and political intrigue.