Autores

•  Raymond Smullyan (7)
•  Martin Gardner (6)
•  Marie Berrondo Agrell (5)
•  José Babini (2)
•  Boris Kordemsky (2)
•  Julio Rey Pastor (2)
•  Federico Peiretti (2)
•  Nicholas Falletta (2)
•  James F. Fixx (1)
•  Jordi Deulofeu (1)
•  Jean Louis Fournier (1)
•  Jordi Deulofeu Piquet (1)
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