TY  - GEN
AU  - Ball,W.W.Rouse
AU  - Coxeter,H.S.M.
TI  - Mathematical recreations & essays
U1  - 510.76 22
PY  - 1962///
CY  - New York
PB  - The Macmillan company, 
KW  - Mathematical recreations
KW  - BUEsh
KW  - Geometry
KW  - Famous problems
KW  - Cryptography
KW  - Ciphers
KW  - Reading book
N1  - "Copyright. First edition, 1892 ... Eleventh edition, 1939."; Includes bibliographical references and index
; Arithmetical recreations.--Geometrical recreations.--Polyhedra.--Chess board recreations.--Magic squares.--Map-coloring Problems.--Unicursal problems.--Kirkman's school-girls problems.--Miscellaneous problems.--Three classical geometrical problems.--Calculating prodigies.--Cryptography and cryptanalysis
ER  -