The Flood

From Author Wars - https://authorwars.com/publications/the-flood-324849.html

Overview:

Title: The Flood
Author: William C. Dietz
Year: 2010
ISBN-10: 9780765328335
Publisher: Tor
Price: $14.99
Pages: 362
Binding: Trade Paperback
Type: Novel
Title Reference: The Flood
Notes: First printing as per full number line. $16.99 in Canada. There's a whole supplemental part called "Adjunct" at the end of the book on unnumbered pages and lots of ads for Halo-related material.