| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2004 | 978-0-9749598-0-1 | Todd Allen | E-Mail From Nigeria |
| 2005 | 978-0-9749598-1-8 | Todd Allen | Online Comics Vs. Printed Comics: A Study in E-commerce and the Comparative Economies of Content |
| 2007 | 978-0-9749598-2-5 | Todd W Allen | The Economics of Web Comics, 2nd Edition |