The Haunting of Castle Keyvnor is a 2-book series with 4 primary works first released in 2016 with contributions by Erica Ridley, Ava Stone, Elizabeth Essex, Kate Pearce, Deb Marlowe, Michelle Willingham, Renee Bernard, Jerrica Knight-Catania, Erica Monroe, Claire Delacroix, Jane Charles, and Claudia Dain.