<human>: What are some of the best books on astrology?
<bot>: Some of the best books on astrology include The Astrological Handbook by Liz Greene, Sun Signs and Birth Charts by Dane Rudhyar, The Complete Idiot's Guide to Astrology by Barbara Hand Clow, The Stars Within Us: Astrology for a New Generation by Deanna Metzger, and Astrology for Beginners by Robert Hand.