Stories about dark fairies include Holly Black's novel "Tithe: A Modern Faerie Tale," Kiki Hamilton's "The Faerie Ring" and Julie Kagawa's "The Iron King." Black and Kagawa's novels are classified as young adult fiction. "Tithe" is part of a trilogy, while "The Faerie Ring" and "The Iron King" are both first installments in longer series.
"Tithe: A Modern Faerie Tale" is about a teenager named Kaye who returns to her childhood home in New Jersey where she becomes unwillingly involved in an ancient war between two faerie kingdoms. The novel was praised by Booklist as "dark" and "edgy."
"The Faerie Ring" takes place in the late 1800s and follows Tiki, a pickpocket who steals a ring, inadvertently breaking a truce between England and the Faerie realm and bringing the two countries to the brink of war. The next three books in the series are "The Torn Wing," "The Seven Year King" and "The Faerie Queen."
"The Iron King" follows the life of Megan Chase. Her father disappeared when she was young and she has felt like a misfit ever since. After a series of unsettling events, she learns her father is actually a faerie king, and she is being used as a pawn in a war. As of 2015, there are five more books in this series.