Following the tracks of a virus that will attack all the computers of the world and destroy their memory unless the requests of a mysterious blackmailer are granted, Martin reaches the legendary Santa Claus, who is able to help him thanks to an ancestor of all computers: the analytic steam machine of Charles Babbage. And after a computer enigma, its time for Martin to have a new adventure, set this time in the waters of the Mediterranean sea and in the Gulf of Mexico.
In this number: from page 5 to page 78, Il virus elettronico, by Castelli and Roi. From page 79, La piramide sommersa, by Castelli (from a subject of Elio Ottonello) and Bignotti.