What has the author Derf Q Sevas written?

The author you are likely referring to is Derf Backderf, not Derf Q Sevas. He is a well-known American cartoonist and author, known for his graphic novels and comics, particularly for his autobiographical work.

Here are some of Derf Backderf's notable works:

* My Friend Dahmer (2002): A darkly humorous and insightful look at the author's high school years with Jeffrey Dahmer, the infamous serial killer.

* Trashed (2004): A humorous and heartfelt coming-of-age story set in the author's hometown of Kent, Ohio.

* Kent State: Four Dead in Ohio (2008): A powerful and moving graphic novel about the 1970 Kent State shootings, which occurred while Backderf was a student at the university.

* The Complete Idiot's Guide to Graphic Novels (2011): A comprehensive guide to the history, styles, and techniques of graphic novels.

* Poser (2018): A humorous and autobiographical tale about the author's teenage obsession with music and his awkward attempts to fit in with the local punk scene.

* Making Comics (2020): A practical guide to creating and publishing your own comics.

In addition to these books, Backderf has also written and illustrated numerous short stories, comics, and articles.