This book provides an easy-to-understand introduction to international affairs. It's suitable for students and also for adults looking to refresh their knowledge. I've read it a few times, but it's in good condition. Instant purchase is welcome! - Title: Geopolitics for Ages 13 and Up - Author: Takayuki Tanaka - Publisher: Akashi Shoten - Price: 1500 yen - ISBN: 978-4-9244-4689 - Endorsements: Recommended by Shigesato Itoi and Shinsuke Sugiyama