Now that Preacher is coming to TV, I think there is going to be a big interest in the comics that inspired it. There are seven books containing all the issues available at Amazon. You can get Preacher Book 1 in paperback for:
“Just about the best thing to come along since comics started finding their way into books.”—The Washington Post
Irish-born writer Garth Ennis is the acclaimed author of the PREACHER graphic novel series, and also has written numerous JOHN CONSTANTINE — HELLBLAZER graphic novels, as well as THE AUTHORITY, THE BOYS, WAR STORIES, PRIDE AND JOY and other titles.