D20 Modern Roleplaying Game : D20 Core Rulebook by Jeff Grubb, Rich Redman

D20 Modern Roleplaying Game Core Rulebook Wizards D&D

Trinity d20 System Roleplaying Game Core Rulebook Trinity Universe Arthaus

d20 Modern Roleplaying Game: Core Rulebook- Redman, Rich, Grubb, Jeff, Slavicsek

d20 Modern Roleplaying Game Core Rulebook Wizards of the Coast 88190

Modern Roleplaying Game : D20 Core Rulebook VG Condition (2002) Hardback

D20 Modern Roleplaying Game: Core Rulebook 1st Print Illustrated Hardcover