"Full of scientific insights and real-world suggestions, this compendium is a must for any mental health professional who is interested in leveraging technology to improve the care they provide. A comprehensive, readable, and very practical guide for those venturing into the brave new world of digital mental health." Dror Ben-Zeev, PhD, professor of psychiatry and behavioral sciences and director of the Behavioral Research in Technology and Engineering (BRiTE) Center at the University of Washington, USA