Collects Ender's Game: Battle School #1-5 and Ender's Game: Command School #1-5. There's a war coming. The same aliens who almost destroyed Earth once are coming back to get the whole job done this time. But we aren't going to just sit and die. The international military is taking our best and brightest to mold them into the finest military minds ever - and they're taking them young. 8-year-old Ender Wiggin is the best they've ever found. Can he save the Earth?