Frank E. Peretti es el destacado autor de Esta patente oscuridad, publicado por Editorial Vida. El y su esposa Bárbara residen en la costa pacifica del noroeste de los Estados Unidos.

Bill Ross' freelance career has him drawing funny pictures for many corporations and publications. He wrote and illustrated the acclaimed Hey, That's Not What the Bible Says! and Hey! That's Not What the Bible Says, Too! for Tommy Nelson. Bill also provided the illustrations for God Said It and . . . BANG! It Happened by Bruce Bickel and Stan Jantz. Bill is the illustrator for the Mr. Henry's Wild and Wacky products-the covers for the audio and video products, as well as the upcoming books-featuring Frank Peretti. Bill lives in Nashville with his wife and two kids.