Rapaport1963	Rapaport, Elvira	1963	Hungarian problem book ii					MAA															book				got vol.1; buy vol.2 	math	F
Berlekamp1981	Berlekamp, Elwyn R. and Conway, John H. and Guy, Richard K.	2000	Winning ways for your mathematical plays (Volume 1 of 4)					A. K. Peters								2	1981						book						
Conway1975	Conway, John H.	2000	On numbers and games					A. K. Peters								2	1975						book						
Conway1995	Conway, John H. and Guy, Richard K.	1995	The book of numbers					Copernicus															book						
Derbyshire1900	Derbyshire	1900	Prime Obsession