Cagliostro and Company: A Sequel to the Story of the Diamond Necklace is a historical fiction novel written by Frantz Funck-Brentano and originally published in 1902. The book is a continuation of the scandalous events surrounding the infamous Affair of the Diamond Necklace that took place in 1785-1786 in France, and features the enigmatic figure of Count Alessandro di Cagliostro as its protagonist. The novel begins with Cagliostro's release from...