Ender's Game and Philosophy: Genocide is Child's Play. D. E. Wittkower & Lucinda Rush (editors). Open Court, 2013 (1st edition). ISBN 9780812698343. Elden geçtiği belli fakat yazı çizi yok. Fiziksel durumu çok iyi.

Ender's Game and Philosophy: The Logic Gate is Down. Kevin S. Decker (editor). Wiley-Blackwell, 2013 (1st edition). ISBN 9781118386576. Yeni kitap.