This sweeping study of mysticism by Jess Hollenback considers the writings and experiences of a broad range of traditional religious mystics, including Teresa of Avila, Black Elk, and Gopi Krishna. It also makes use of a new category of sources that more traditional scholars have almost entirely ignored, namely, the autobiographies and writings of contemporary clairvoyants, mediums, and out-of-body travelers. This study contributes to the current debate about the contextuality of mysticism by...