A recognized master fantasist, Tanith Lee has won multiple awards for her craft, including the British Fantasy Award, the World Fantasy Award for Life Achievement, and the Bram Stoker Award for Lifetime Achievement in Horror.The fourth installment in Lee's breathtaking series, Tales from the Flat Earth,Delirium's Mistressreturns to a shadowy and mythic world where demons battle for dominion, and the fate of mankind is shaped by the whims of capricious and volatile beings.Beneath the mortal realm of the Flat Earth, demons lurk. But Azhriaz—daughter of the mortal priestess Dunizel and the demon known as Night's Master, Azhrarn—bridges these two worlds, a being of both light and darkness. Raised on an isolated isle in the demons' realm of Underearth, guarded and hidden away from demon and mortal alike, Azhriaz was meant to sleep forever, never knowing the world outside her dreams.But other forces in the Underearth are moving to wake Azhriaz....