Quality assurance was conducted on each of these books in an attempt to remove books with imperfections introduced by the digitization process. Though we have made best efforts - the books may have occasional errors that do not impede the reading experience. We believe this work is culturally important and have elected to bring the book back into print as part of our continuing commitment to the preservation of printed works worldwide.

    The course of the alchemical mystery is followed from the Near East through the Byzantine Empire and into Europe. During these travels many pioneers in this field are met, including Roger Bacon, Raymond Lully, and Nicholas Flamel. The letters of Sendivogius to the Brotherhood of the Rosy Cross, almost completely unknown to the modern world, are discussed. Illustrated.