Dragonfly is a fantasy, horror novel by author Frederic S. Durbin.

Ten-year-old Bridget Ann (nicknamed "Dragonfly") lives in her Uncle Henry's funeral parlor.

Uncle Henry summons Mothkin, a hunter, to investigate strange things happening in the basement as Hallowe'en approaches.

In the basement, Dragonfly and Mothkin discover a doorway to a spooky underground world, known as Harvest Moon, which is ruled by an evil despot, Samuel Hain.

Dragonfly is separated from Mothkin and meets up with a werewolf named Sylva who protects her from Hain.