The Gothic tradition blossomed into the genre modern readers call horror literature in the 19th century. Influential works and characters that continue resonating with film and cinema today saw their genesis in such works as the Brothers Grimm's Hänsel und Gretel (1812), Mary Shelley's Frankenstein (1818), Washington Irving's The Legend of Sleepy Hollow (1820), Jane C. Loudon's The Mummy!: