William Dietrich is the author of eleven novels, including four previous Ethan Gage titles - Napoleon's Pyramids, The Rosetta Key, The Dakota Cipher, and The Barbary Pirates. Dietrich is also a Pulitzer Prize-winning journalist, historian, and naturalist. A winner of the PNBA Award for Nonfiction, he lives in Washington.
John Pruden started voice work as a Master of Ceremonies while stationed in the military. He has also done production and commercials for radio stations, done voiceovers for commercials, PSAs, Indie films, and documentaries, character acting and voices for video games and radio dramas, as well as narrating corporate and online training videos, and audiobooks.