Out of print.
From the publisher:
From the author of Harvest and Term Life and the artist of Green Wake, Dia de Los Muertos, and Proof comes this giant, oversized, deluxe hardcover collecting both volumes of the critically acclaimed, fan-favorite series Cowboy Ninja Viking, complete with brand-new, never-before-seen extras!
International intrigue! Black-market nukes! And Cowboy Ninja Viking! Sent on a covert mission that will take the triplets from Bangkok to the Middle East, Duncan, Ghislain, Nix, Grear, Steed Malbranque, and everyone's favorite gladiator/pirate/oceanographer Yashitiko Ammo are gonna save the world... or totally screw it up!
Collects Cowboy Ninja Viking #1-10.