Isis in the Ancient World - R.E. Witt
This is the first study to study in depth the worship of the Egyptian goddess Isis up through the Graeco-Roman period. Witt's 1971 study remains essential for the reader who wants to learn in depth about the worship of Isis, which dates as far back as 2500 B.C. and extends until the fifth century C.E. throughout the Roman world. The importance of her cult is attested to in Apuleius's Golden Ass, and evidence of the cult of isis has been found in places as far apart as Afghanistan and Portugal, the Black Sea and northern England. Treadwell's recommends.
Baltimore, MD: John Hopkins University Press, 1997. Paperback, 336 pages. New.