Mark Teppo is the author of the Codex of Souls urban fantasy series, the hypertext dream narrative The Potemkin Mosaic, and the vampire eco-thriller Earth Thirst. He is a co-founding author of the Foreworld universe and co-author of The Mongoliad trilogy, along with many other tales in the universe. A bibliophile whose interests include historical martial arts and esoteric traditions, he lives in the Pacific Northwest.