Call of duty.
Denick, Thom,author.
Hunsinger, Rich,author,illustrator.
Sea Snipers.
Title from cover.
"Official strategy guide"--Colophon.
"Covers Xbox 360, PlayStation 3, Computer Entertainment System, Windows PC, and Nintendo DS".
Includes fold out world map attached in inside of back cover.
Video games
World War, 1939-1945
Computer war games