1901. This book contains a complete exposition of the science of astrology. It is adapted from the four books of Ptolemy, the astronomer, on the art of reading the stars. Contents: introduction, human crystallization; Ptolemy and modern science; necessary knowledge of astronomy; sun and the zodiac; moon and the planets; houses and angles; aspects; prediction; exemplification; uses and difficulties of astronomy; Ptolemy's rules for judging fortunes.