Mary Downing Hahn’s many acclaimed novels include such beloved ghost stories as Wait Till Helen Comes, Deep and Dark and Dangerous, and Took. A former librarian, she has received more than fifty child-voted state awards for her work. She lives in Columbia, Maryland, with a cat named Nixi.
Jen Vaughn’s work includes the Goosebumps: Download and Die! comics series and The Secret Loves of Geek Girls, as well as covers for My Little Pony, Pathfinder, The Wilds and more. She was also a longtime marketing director at Fantagraphics Books. Twitter: @TheJenya, Instagram: @thejenya. hauntedvaultstudios.com