A second prequel to Ender's Game continues the sci-fi history of the Formic Wars and finds the warring nations and corporations of Earth struggling to set aside their differences to defend against an imminent alien invasion. "A coalition of Earth's nations barely fought off the Formics' first scout ship. Now it's clear that there's a mother-ship out on edge of the system, and the aliens are prepared to take Earth by force. Can Earth's warring nations...