Bernadette Brady is the author of Predictive Astrology, the Eagle and the Lark (Weisers 1992, 1998) and Brady's Book of Fixed Stars (Weisers USA 1998). Brady is a international astrological lecturer, and co-principle of Astro Logos. She lives in Bristol, UK and is currently undertaking the Masters Program at Bath Spa University College in Cultural Astronomy and Astrology.
Sarah Ashton is a director of Barnswood Ltd, a UK company that specialises in the development of bespoke software and database systems. Ashton is a mathematician with 17 years experience in software design and IT consultancy, developing software for a variety of industries. She has had a passion for the night sky since her childhood, and started studying both astronomy and astrology at that time.