The Ultramarines Omnibus is a trade paperback book by Graham McNeill, published by Games Workshop in 2008. This 768-page collection falls under the genres of science fiction, action & adventure, war & military, and general science fiction. With a focus on the Ultra Marines series, this omnibus offers readers an immersive and thrilling narrative filled with battles, heroism, and futuristic technology. Perfect for fans of military sci-fi, this paperback is a must-have for those looking for a gripping adventure in the world of ultramarines.