Ender's Game is a classic sci fi military novel
I haven't read it yet, but I have the novel! I'll check it out
Ender's Game
Ender's Game is a 1985 military science fiction novel by American author Orson Scott Card. Set at an unspecified date in Earth's future, the novel presents an imperiled humankind after two conflicts with the "Formics", an insectoid alien species they dub the "buggers". In preparation for an anticipated third invasion, children, including the novel's protagonist, Andrew "Ender" Wiggin, are trained from a very young age by putting them through increasingly difficult games, including some in zero gravity,
… a gripping read … a fascinating, enjoyable sci-fi yarn." 
Writing for Galaxy's Edge Magazine, author/critic Paul Cook wrote, ”I had my proverbial socks knocked off ... extraordinary scope of imagination ... it's a great novel ... a classic ... a tour-de-force of the imagination ... a perfect example of very skillful storytelling, something the field could use more of. The novel never flags, every word counts ... It's got all the sense of wonder that's missing in