Music analyses An annotated guide to the literature
New York: Schirmer Books, 1991, 716 p.
This is what Harold J. Diamond had to say:
A study of Indian influences on Holst and his music. Discusses sources, compositional style, and the cultural context. The most important works considered are Sita and Savitri (operas), The Cloud Messenger (cantata), and Hymns from the Rig Veda.