Operazione Monna Lisa

Subject and script writer : Giuseppe Ferrandino
Artwork: Salvatore Deidda
Cover: Giancarlo Alessandrini

Martin Mystère, Diana and Java are in the North of Italy to investigate the origin of a mysterious “Mona Lisa”, a painting apparently the twin of Leonardo’s “Mona Lisa”, but with a few strange differences compared to the original. Their search will take them to a thirteenth-century stronghold, which conceals an incredible secret …