Originally published in comic book form.
v. 4. Issues fifteen through twenty-one
v. 5. Issues twenty-two through thirty
v. 6. Issues 31 through 37
v. 7. Issues 38 through 46
v. 8. Issues 47 through 54.
The legend of GrimJack by John Ostrander. ISBN 9781600101021. Published by IDW in 2005. Publication and catalogue information, links to buy online and reader comments.