Karen Hamaker-Zondag is the author of "The Twelfth House", "Aspects and Personality" and "Planetary Symbolism of the Stars"
Karen Hamaker-Zondag is the author of fifteen books, including The Twelfth House and Tarot as a Way of Life. She is a recipient of the 1998 Regulus Award for Education from the UAC, founder two schools: Stichting Achernar, an astrological school; and Stichting Odrerir, a school of Jungian Psychology. With her husband Hans, in 1990, she started Symbolon, a successful quarterly astrological journal. Karen lives near Amsterdam with her husband and two children.