Day Watch

From Author Wars - https://authorwars.com/publications/day-watch-433348.html

Overview:

Title: Day Watch
Author: Vladimir Vasiliev, Sergei Lukyanenko
Year: 2014
ISBN-10: 9780062310118
Publisher: Harper
Price: $15.99
Pages: 480
Binding: Trade Paperback
Type: Novel
Title Reference: Day Watch
Notes: Only Sergei Lukyanenko is credited on the cover, but both authors are apparently credited on the title page based on what Amazon's Look Inside shows for the Kindle edition. Data from Amazon.com as of 2013-11-24.