Isis Unveiled: a Master-Key to the Mysteries of Ancient and Modern Science and Theology by H. P. Blavatsky
A photographic facsimile reproduction of the original edition published in N.Y. in 1877.
The Theosophy Co., 1982.
2 volumes in 1.
708 pp.
Fifth printing.
Centenary edition.
Hardcover. Very good in a very good jacket.