Sonia Ducie Related books Numerology: Your Love and Relationship Guide Houghton Mifflin • 1999 Numerology: Your Personal Guide for Life Houghton Mifflin • 1999 Principles of Numerology Thorsons Element • 1998 Sonia Ducie's Numerology Secrets Thorsons • 2001 The Complete Illustrated Guide to Numerology Element Books Ltd • 1999 The lucky number oracle Thorsons Element • 2000