James Malcolm Rymer (1814–1884) was a British nineteenth century writer of penny dreadfuls, and is the co-author with Thomas PeckettPrest of both Varney the Vampire (1847) and The String of Pearls (1847), in which the notorious villain Sweeney Todd makes his literary debut. Thomas PeckettPrest (1810–1859) was a British hack writer, journalist and musician. He was a prolific producer of penny dread...