The children of Ender and Bean solve the great problem of the Ender Universe, the deadly virus they call the descolada, which is incurable and will kill all of humanity if it were allowed to escape from Lusitania.

Series: listed on the series title page as the sixth book of the Ender saga and sequel to Ender in exile; not listed as a volume in the Ender's shadow series. However, it is listed as the final book in both series by the publisher at the Macmillan website. "A Tom Doherty Associates book." Jacket art by John Harris.