Paul Tremblay is the author of the novels A Head Full of Ghosts, Disappearance at Devil’s Rock, The Little Sleep, and No Sleep Till Wonderland. He is a member of the board of directors of the Shirley Jackson Awards, and his essays and short fiction have appeared in the Los Angeles Times and numerous “year’s best” anthologies. He has a master’s degree in mathematics and lives in Massachusetts with people who lovingly tolerate him.