By Singh, Simon
By Sautoy, Marcus du, Marcus Du Sautoy
By Weinstein, Lawrence, Adam, John A.
By Dudeney, H.E.
By Allenby, R. B. J. T.
By Rob Eastaway, John Haigh
By Vorderman, Carol
By Bee, WILLIAM
By Jenkins, Adrian
By Mullins, Roy
By Gardner, Martin
By Dunn, Angela Fox
By Haselbauer, Nathan
By McKay, Sinclair
By ApSimon, Hugh
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By Livio, Mario
By The Times Mind Games
By Carroll, Lewis
By Devlin, Keith
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By Gould, Wayne
By Lucas, Vivien
By MacMahon, Percy, Garcia, Paul
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