Title: The showdown
Description: After joining the secret crime-fighting organization 47 R.O.N.I.N., teenage twins Tom and Mitch are sent to Japan, where they enroll in the Matsu School, an elite school for computer geniuses.  They now have to find out what has happened to one of the students and how he is connected to the evil mastermind Julian Vane.
Subjects: Juvenile fiction, Fiction, Twins, Ninja, Adventure fiction, School stories
Places: Tokyo (Japan)