"Aru Shah and her sisters--including one who also claims to be the Sleeper's daughter--must find their mentors Hanuman and Urvashi in Lanka, the city of gold, before war breaks out between the devas and asuras"--
Twelve-year-old Aru stretches the truth to fit in at her private school, but when she is dared to prove an ancient lamp is cursed, she inadvertently frees an ancient demon.