John Kovalic has written at least 6 books. Their most popular book is The Bones with 2 saves with an average rating of -⭐.
Series
2 primary booksAuthored 100% of series
Dork Tower is a 2-book series with 2 primary works first released in 2000 with contributions by John Kovalic.
Series
1 released bookAuthored 0% of series
GURPS Third Edition is a 91-book series first released in 1988 with contributions by Nigel Findley, Chris W. McCubbin, and 70 others.