The author studies in detail the twenty most commonly used Psalms, with general notes on the historical and literary background of the book of Psalms as a whole and on some of the ways in which different churches are using Psalms in their worship today. Besides the study questions, discussion themes and topical photographic characteristics of the series, examples of musical setting from various countries enhance the usefulness of the book for pastors and teachers as well as theological students in all parts of the world.