A few lessons in French maybe required if you want to seriously study the Dictionnaire Infernal (Infernal Dictionary)—an A-Z on demonology and the occult—though Google translate may offer an easier option to access the histories of such demonic figures as the Azazel, Bael or Zabulon. Written and compiled by French occultist, demonologist and author Jacques Auguste Simon Collin de Plancy, the Dictionnaire Infernal was first published in 1818 to considerable success, and was reprinted several times before its most incarnation in 1863 in an edition that contained 69 illustrations by artist Louis Le Breton. Breton’s illustrations became the main...