ISBN 9780943580142 books & textbook
RDF Sourcebook (Twilight: 2000)
Frank Frey Loren K. Wiseman Frank Chadwick Frank Frey Loren Wiseman Frank Chadwick
Game Designers Workshop (GDW) /1986T Paperback / 48 Pages
isbn-10: 0943580145 / isbn-13: 9780943580142
