Gears of War: Aspho Fields

Blurb

Gears of War: Aspho Fields is a 2008 science fiction novel by Karen Traviss, set in the Gears of War universe. The novel is the first in a series of five and is considered canon material. Aspho Fields mainly focuses on the history of the characters and the battle at Aspho Fields, but also takes place during the events between Gears of War and Gears of War 2.