Fantastic Fiction
http://www.fantasticfiction.co.uk/c/orson-scott-card/
Biography of Orson Scott Card and list of his works.
Orson Scott Card
http://www.hatrack.com/osc/about.shtml
Biography of Orson Scott Card on his official site.
Ender's Game
A guide for readers including sections on "Before You Read" and "After You Read," plus a list of links to other Ender sites and a biography of Card.
Wikipedia entry on Ender's Game
http://en.wikipedia.org/wiki/Ender's_Game
(Unverified) information and links, useful for additional context.
Ender's Game
http://www.hatrack.com/osc/books/endersgame/endersgame.shtml
More information about the novel from Card's official site.
Ender's Game
http://www.nicholaswhyte.info/sf/ender.htm
A review of the novel by Nicholas Whyte.
Ender's Game
http://ansible.wikia.com/wiki/Ender%27s_Game
Wikia entry including a short summary, praise, story details, and awards.