We all want to understand the personalities of our children so that we may raise them to be productive and happy adults. In this simple reference guide, an experienced numerologist shares principles based on the science of numbers that lead parents, guardians, grandparents, and teachers through a fascinating process that reveals amazing accuracy in gauging personality traits.

Neil Koelmeyer, who has vast experience conducting personal consultations and writing personality assessments, focuses on the three areas of influence most likely to provide an accurate personality portrayal:...