| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Further Grickle | 978-1-891867-55-2 | 2003 | |
| Grickle | 978-1-891867-01-9 | 2001 | |
| Hickee | 978-1-891867-42-2 | 2005 | Scott Campbell · Nathan Stapley |
| Hickee Volume 3 #4 | 978-1-934460-05-4 | 2008 | Scott Campbell · Joe White · Vamberto Maduro · Nathan Stapley |
| Peter & Ernesto: A Tale of Two Sloths | 978-1-62672-561-4 | 2018 | |
| Peter & Ernesto: The Lost Sloths | 978-1-62672-572-0 | 2019 | |
| Project: Superior | 978-0-9721794-8-5 | 2005 | Various · Nick Abadzis · Tim Biskup · Jeffrey Brown · J. Chris Campbell · Scott Campbell · John Cassaday |
| Stickleback | 978-1-891867-80-4 | 2005 | |
| The Book of Grickle | 978-1-59582-430-1 | 2010 | |
AdHouse Books · Alternative Comics · Dark Horse · Roaring Brook Press