After gaining a BSc at King's College London and MSc at City University, Giselle worked for British Telecom and Unilever, London. Giselle is now a full-time mum to six boys, including twins, and a part-time astrologer. In 1999 she qualified as an Astrologer with the Faculty of Astrological Studies and now specialises in medieval astrology. Pandora's Box is her debut novel