Lana Harper is the New York Times bestselling author of Payback's a Witch and the rest of the Witches of Thistle Grove series. Writing as Lana Popovic, she is also the author of YA novels Wicked Like a Wildfire, Fierce Like a Firestorm, Blood Countess, and Poison Priestess. She lives in Naperville, Illinois with her family.

Jilly Gagnon is the author of eight novels, most recently What if it's You? Her humor writing, personal essays, and op-eds have appeared in Newsweek, Elle, Vanity Fair, Boston Magazine, and McSweeney's Internet Tendency, among others. She lives in Salem, Massachusetts, with her family and two black cats.