First edition- spiral bound-printed in 1974. One of the oldest astrological arts is the art of 'Synastry'. Synastry is the study of the way in which two persons will relate to each other by comparing planetary positions in one chart with those of another.This is a book dedicated to teaching the techniques of doing this. This book is spiral bound with plastic. Cover is in good shape- some yellowing around the edges of the pages but they are clean and unmarked. #100