Seven classic science fiction space odysseys

At the BookBub Blog Elisabeth Delp tagged seven classic science fiction space odysseys, including:Ender's Game by Orson Scott Card

In order to develop a secure defense against a hostile alien race’s next attack, government agencies breed child geniuses and train them as soldiers. A brilliant young boy, Andrew “Ender” Wiggin lives with his kind but distant parents, his sadistic brother Peter, and