Love this book, and am considering purchasing it. The north/south node (or Rahu/Ketu in Vedic astrology) are hugely important indicators of life's purpose, vulnerabilities, and places of fated growth + letting go. While other books break these nodes down to general axis points ex. South Node Virgo/North Node Pisces, this book narrows them into the degrees (or actual dates) for more clarity. It was shelved in the teen section of my library, but it's a sophisticated reference for astrologers, or just enthusiasts.