William O'Connor has written at least 11 books. Their most popular book is A Game of Thrones: D20-Based Open Gaming RPG with 2 saves with an average rating of 4⭐.
Series
17 released booksAuthored 6% of series
Vampire: the Dark Ages is a 17-book series with 17 released primary works first released in 1991 with contributions by Kevin A. Murphy, Jennifer Hartshorn, and Ethan Skemp.
Series
102 released booksAuthored 0% of series
Classic World of Darkness Fiction is a 102-book series with 102 released primary works first released in 1991 with contributions by Edward E. Kramer, Kevin A. Murphy, and Jackie Cassada.
Series
2 primary booksAuthored 0% of series
The Grails Covenant is a 2-book series with 2 released primary works first released in 1997 with contributions by David Niall Wilson.
Series
50 released booksAuthored 0% of series
Magic: the Gathering Player's Guides is a 50-book series with 50 released primary works first released in 1999 with contributions by Wizards of the Coast, Brian Schneider, and Devin Low.
Series
1 released bookAuthored 0% of series
Monstrous Arcana Sahuagin is a 1-book series first released in 1997 with contributions by Skip Williams.