M. O. · Martin Olsen · Martin Olsson
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Encyclopaedia of Hell: An Invasion Manual for Demons Concerning the Planet Earth and the Human Race Which Infests It | 978-1-936239-04-7 (1-936239-04-3) | 2011 | |
| The Adventure Time Encyclopaedia: Inhabitants, Lore, Spells, and Ancient Crypt Warnings of the Land of Ooo Circa 19.56 B.G.E. - 501 A.G.E. | 978-1-4197-0564-9 (1-4197-0564-4) | 2013 | |
| The Adventure Time Encyclopaedia: Inhabitants, Lore, Spells, and Ancient Crypt Warnings of the Land of Ooo Circa 19.56 B.G.E. - 501 A.G.E | 978-1-78329-014-7 (1-78329-014-5) | 2013 | Pendleton Ward |
Feral House · Harry N. Abrams · Titan Books