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 outof-body travelers. This study contributes to the current debate about the contextuality of mysticism by presenting evidence that not only are the mystic"s interpretations of and responses to experiences culturally and historically conditioned, but historical context and cultural environment decisively shape both the perceptual and affective content of the mystic"s experience as well. Hollenback also explores the linkage between the mystic"s practice of recollection and the onset of other unusual or supernormal manifestations such as photisms, the ability to see auras, telepathic sensitivity,...