THE PERSON in the Great Castle matches Pacific Rim with this action-packed alternate history novel from the award-winning author of United States of Japan. Germany and Japan received WWII and control the U.S., and a young man has one wish: to become mecha pilot.

Makoto Fujimoto grew up in California, but using a difference–his California is area of the United States of Japan. After Germany and Japan earned WWII, the United States fell under their control. Developing up nowadays, Mac plays portical games, about Mecha Samurai Empire haphazardly research for the Imperial Examination, and dreams of becoming a mecha pilot. Only problem: Mac’s grades are awful. His only wish is to move the military examination and enter the prestigious mecha pilot training program at Berkeley Military Academy.

When his friend Hideki’s plan to game the test goes horribly wrong, Mac washes out of the military exam as well. Perhaps he can perform his desire by becoming a civilian pilot. But with tensions increasing between the USA of Japan and Nazi Germany and rumors of collaborators and traitors abounding, Macintosh will have to stay alive lengthy enough first…