Kendare Blake is originally from South Korea, but was brought up in the US. She has a BA in Business from Ithaca College in New York and an MA in Writing from Middlesex University in London.

She is the author of Anna Dressed in Blood, Girl of Nightmares and Antigoddess, all published by Orchard Books. Two Dark Reigns is the third book in her Three Dark Crowns series. She lives with her husband in Kent, Washington.

Kelley Armstrong lives in rural Ontario, Canada, with her family and far too many pets.

She is the author of the international bestselling Women of the Otherworld series, and many other highly acclaimed novels, including the Darkest Powers and Darkness Rising YA trilogies, and the Cainsville series.

Jon McGoran has written six thrillers for adults, including the D.H. Dublin series. Spliced, the first book in his YA Spliced series, was named to ALA's 2018 LITA Excellence in Children's and Young Adult Science Fiction Notable List and to the American Bookseller's Association's 2017 ABC Best Books for Young Readers. Jon McGoran is also a founding member of The Liars Club, a blog for and by writers. He lives in Pennsylvania with his family.

Kami Garcia is a #1 New York Times, USA Today, and international bestselling author, and the coauthor of the Beautiful Creatures and Dangerous Creatures novels. Her solo works include the Bram Stoker-nominated novels Unbreakable and Unmarked, in The Legion series, and The Lovely Reckless, a standalone contemporary romance.

Kami was a teacher for seventeen years and coauthored her first novel on a dare from seven of her students. If she isn't busy watching Supernatural, Kami can teach you how to escape from a pair of handcuffs or bake a Coca-Cola cake. Kami lives in Maryland with her family and their dogs, Spike and Oz.