2031781
9780743267519
Douglas and Graham Walker are the leaders of the World RPS Society and organizers of the annual RPS International World Championship. Douglas governs out of the RPS headquarters in Toronto, Canada, while Graham officiates from the Society's European Bureau in PragueWalker, Graham is the author of 'Official Rock Paper Scissors Strategy Guide', published 2004 under ISBN 9780743267519 and ISBN 0743267516.
[read more]