Orson Scott Card's
Ender's Game
Speaker For the Dead
Xenocide
Original trilogy. There is a critical lesson(s) in each book, imo.
Ender's Game is primarily about leadership
Speaker For the Dead is primarily about cultures and cultural differences and how they affect relationships
Xenocide is primarily about ethics. It's built around a set of "wicked problems".
All three should be military and academic required reading.
Bookmarks