The Day of the Djinn Warriors

In the fourth book of the Children of the Lamp series, djinn twins John and Philippa Gaunt are thrust into a high-stakes global adventure. They must rescue their mother from a powerful destiny, save their father from a rapidly aging curse, and prevent a master criminal from using awakened terracotta warriors to cause worldwide destruction. This action-packed fantasy blends elements of mystery, mythology, and family drama, offering a fast-paced read for children aged 8-12 who enjoy magical quests and sibling protagonists.

Djinn twins John and Philippa are off on another whirlwind adventure that takes them around the globe and into unknown worlds. And it's a race against time as they attempt to rescue their mother from her fate as the Blue Djinn of Babylon. An aging curse has been placed on their father and if the twins are gone too long, he'll rapidly become an old man. Meanwhile, museums all over the world are reporting robberies of valuable jade from their collections, as well as bizarre hauntings.