Thomas Keating has been crucial in reviving centering prayer which in effect is a work of praying in the medieval spiritual tradition of lectio divina (sacred reading). This collection of essays by Keating Thomas R. Ward Sarah A. Butler George F. Cairns Paul David Lawson and Gail Fitzpatrick-Hopler furthers that work by expounding centering prayer itself and applying it to other and more outwardly focused concerns such as spiritual discernment and parish work.