Evelyn Underhill, Worship (Nisbet, 1936, 3rd edit. 1937, reprinted 1943). A beautifully written study that includes Eastern, Reformed, Free Church, and Anglican traditions.
2.
Kallistos Ware, The Orthodox Way (Mowbray, 1979 ). A gem of a book, packed with insights from the worship and life of the Orthodox tradition.
3.
Geoffrey Wainwright, Doxology: The Praise of God in Worship, Doctrine and Life ( Epworth Press, 1980). A one volume systematic theology of worship.
4.
Daniel W. Hardy & David F. Ford , Praising and Knowing God ( Westminster Press, 1985).
5.
The American edition of Jubilate: Theology in Praise ( Darton, Longman & Todd, 1984).
6.
David Peterson, Engaging with God: A biblical theology of worship ( Apollos , 1992). A guide to biblical teaching.