Il quadrato magico
By: Rino Cammilleri.
Publisher: Rizzoli
Published: 1999
Place of publication: Milano
Language: ita
Number of pages: 231
Subjects: Magic squares; Crosses; Signs and symbols -- Italy; Christian art and symbolism
Notes: Subtitle on cover: Un mistero che dura da duemila anni.

Prefazione di Vittoria Messori.

On the myth of the magic square made up of the words ROTAS OPERA TENET AREPO SATOR which may be read vertically or horizontally from right to left, top to bottom and vice versa.