Twelve-year-old Zack is recruited into helping the spirit hosts of ancient Chinese emperors in a dangerous mission.Zack has always struggled with a sense of belonging. He is the only Asian kid in his mostly White town in Maine, and, as a Hui Muslim, he is also a minority among other Chinese and Muslims. His dissident father was executed by the Chinese government, and he faces Islamophobia in the U.S. Zack has made friends through playing Mythrealm, an augmented reality game that uses a wearable portal-lens that spawns mythical creatures from folktales and legends from around the world. When a real demon threatens Zack and his mom is attacked, ending up in a coma, he discovers a connection to the spirit of Qin Shi Huang, the first emperor of China, that gives him magical powers. Together with the spirit hosts of two other former emperors, Zack travels to China in an attempt to save his mother's life and prevent an otherworldly disaster. This science-fiction/fantasy mashup incorporates Chinese history and mythology into relentless action. Thrilling battles and chase and heist scenes are balanced with a droll sense of humor and quieter moments that explore Zack's complex relationship with his cultural identity, including criticism of Chinese government policies that oppress Muslims.Levels up legendary Chinese heroes and folklore into a thrilling adventure with video game appeal. (Fantasy. 9-13)