Discover the cosmic blueprint of your personality with this bestselling guide to birthday-based self-discovery. Combining astrology, numerology, and tarot insights, The Secret Language of Birthdays profiles all 366 days with detailed personality readings drawn from observations of over 14,000 people. Uncover your natural strengths, hidden weaknesses, and spiritual guidance tailored to your birth date. A perennial favorite for understanding yourself and exploring the personalities of loved ones, colleagues, and public figures alike.