Some books by J.R. Ward include "Dark Lover" and "Lover Eternal," both in the Black Dagger Brotherhood series, and "Covet" and "Possession" of the Fallen Angels series. She has also written a standalone book titled "The Story of Son."
The Black Dagger Brotherhood series begins with "Dark Lover." Originally published in 2005, the book revolves around a war between vampires and their slayers. The leader of the Brotherhood is the only purebred vampire left on the planet and seeks revenge for his parents' slaying.
As of 2016, the 14th and latest installment of the Black Dagger Brotherhood series is "The Beast." The story focuses on Rhage, a member of the Brotherhood who is in love with a cursed woman named Mary Luce.
The Fallen Angels series begins with "Covet," published in 2009. The book focuses on Jim Heron, a fallen angel who is given the responsibility of saving the souls of seven people from the seven deadly sins. The latest book in the series is "Immortal," published in 2014. Jim Heron is dedicated to protecting Sissy, a woman who is targeted by a malevolent demon named Devina.
2015's "The Story of Son" focuses on a vampire who desires a lawyer named Claire Stroughton. Though the plot takes place in the Black Dagger Brotherhood world, the book is not part of the series.