Augustus Montague Summers (10 April 1880 – 10 August 1948) was an eccentric English author and clergyman. He is known primarily for his scholarly work on the English drama of the 17th century, as well as for his idiosyncratic studies on witches, vampires, and werewolves, in all of which he professed to believe. He was responsible for the first English translation, published in 1928, of the notorious 15th-century witch hunter's manual, the Malleus Maleficarum.

Any investigation into vampire legends leads inevitably to the works of Montague Summers (1880-1948), whose research and writings in the 1920s established him as the subject's preeminent authority. This study examines vampire lore in fantastic detail, constituting a record of folk beliefs unequaled in its sheer scope and depth. It features all the apparatus of an academic work, including footnotes and references to rare source documents, and it addresses such issues as how vampires came into existence, vampirish behavior, vampire-like ancient myths, and vampires in modern literature. Unabridged republication of the classic 1929 edition. Introduction. Bibliography. Index.