ISBN 9781568811444 books & textbook
Winning Ways for Your Mathematical Plays, Volume 4 (AK Peters/CRC Recreational Mathematics Series)
Berlekamp, Elwyn R. R. Conway, John H. Guy, Richard K.
A K Peters/CRC Press /2004-03-30 Paperback / 180 Pages
isbn-10: 1568811446 / isbn-13: 9781568811444
