Horizon: Virtual (D20 System): Games, Fantasy Flight: 9781589941403: Amazon.com: Books
Masters of Arms (d20 System): Steven Palmer Peterson: 9780971839700: Amazon.com: Books
d20 Future: A d20 Modern Rules Supplement (d20 Modern Supplement): Christopher Perkins, Rodney Thompson, J.D. Wiker: 9780786934232: Amazon.com: Books
Sovereign Stone Campaign Sourcebook (d20 System): 9791931567236: Amazon.com: Books
In the Land of Cattawampus: A Modern Monster Manual for D20 System Games: Bigfoot Edition: Puckett, Kristen Nicole, Puckett, Kristen Nicole, Schmidt, Timothy, Puckett, Kristen Nicole, Puckett, Tracey: 9781700291424: Amazon.com: Books