9Keeping God at the Center is informative as well as instructional. It contains four kinds of teaching: first, insights derived from pondering the meaning of selected phrases and prayers from the traditional liturgy; second: four chapters on the personalist theology behind traditional Jewish prayer; third, meditations on the liturgy and clear instructions on how to pray certain prayers; and, fourth, instructions on how to pray certain prayers mystically. Both those well-acquainted with the prayerbook and those completely unfamiliar with it will be able to derive benefit from this book. It is a continuation of the main themes of Blumenthal's earlier work in Jewish spirituality, theology, and mysticism.