John Terra is an author and game designer who wrote the sourcebooks Planets of the Galaxy, Volume Two and Volume Three, and co-wrote Twin Stars of Kira, Star Wars Gamemaster Handbook and Coruscant and the Core Worlds, the latter two for the Star Wars d20 system released by Wizards of the Coast.
John Terra was an active RPG game author from 1985 to 2001. In addition to both Star Wars systems (West End Games and WotC), he's written for Dragon Magazine, Dungeon Magazine, AD&D 2nd Edition, D&D Basic, Mayfair Games, FASA, West End Games, Flying Buffalo, and KenzerCo.
John lives in New Hampshire with his wife and 3 cats. He works as a technical content editor, and still freelances, though not so much in the gaming world anymore. He's also a professional blogger.