His most famous books are The Cheese and the Worms: The Cosmos of a Sixteenth Century Miller and Ecstasies:Deciphering the Witches' Sabbath .
This review appeared in La Corriere della Sera:

Since I work in the Tel Aviv area, and dwell in the Judean Hills, I think I can comment on her seeing this as proof of the superiority of the latter over the former.
No matter where you live, there is absolutely no better indication of the vacuous nadir reached by contemporary 'culture' (sic!) than the hysterics and fascination over the life and (admittedly) untimely demise of a mindless, artificially (you know) gold-digger. Is it funny? I guess in Tel Aviv anything that snacks of the cheapest American superficiality is funny.
Artifice upon artifice....Oh well, Purim does have its serious side too.
The author of the above, which appeared in the London Jewish Chronicle, was written by a leading authority on the History of the Jews in Medieval, Renaissance and Baroque Italy. His classic study on the Diabolization of Medieval Jews appeared here.