"The Power of Birthdays, Stars & Numbers: Complete Personology Reference Guide" by Crawford Sullivan is a comprehensive nonfiction book that delves into the world of astrology and numerology. With a focus on the significance of birthdays, stars, and numbers in shaping our personalities and destinies, this book provides a detailed reference guide for adults interested in exploring the mysteries of their birth chart and numerological patterns. Featuring 840 pages of insightful content, the book is illustrated and published by Random House in the 1990s, making it a valuable resource for those looking to unlock the power of their birth energies.