Decanates and Duads

I couldn't find any information on this book. However, based on the title and publisher, I'll make an educated guess that it's a non-fiction book related to astrology. Here's a possible description:

"Decanates and Duads is a comprehensive guide to astrology, exploring the intricacies of the zodiac and its various components. Written by an expert in the field, this book delves into the concepts of decanates and duads, providing a deeper understanding of astrological principles. Published by the American Federation of Astrologers, a leading authority on astrology."