ALETHEIA PRESTON is the New York Times bestselling author of the Cash & Colcord novel Paradox, co-written with Douglas Preston. She is a reformed lawyer originally from Santa Fe, New Mexico, as well as an admitted adrenaline junkie, spending much of her free time finding ways to risk her life, from skiing and mountaineering to paragliding and winter camping. She and her cat Mochi live in Bozeman, Montana.