LOIS H. GRESH is the author of seventeen books, including four novels. She has written dozens of suspense and science-fiction stories and has been nominated for national fiction awards six times. Gresh and Robert Weinberg have coauthored several books, including The Science of Superheroes and The Science of Supervillains, both from Wiley.

ROBERT WEINBERG is the author of sixteen novels and seventeen nonfiction books. He also scripted comic books for DC, Marvel, and Moonstone Publishers. Weinberg is the only World Fantasy Award–winning author who has served as the grand marshal of a rodeo parade.