Find out who you are in the Who Are You? series. This series takes a closer look at the most popular personality theories from star charts to numerology to psychology assessments. Numerology takes a closer look at the history of numerology based on the two systems: Pythagorean and Chaldean. This hi-low title uses considerate text written at a higher maturity level with a lower reading level to engage struggling readers. A table of contents, glossary with simplified pronunciations, and index all enhance comprehension. Informative sidebars include fast facts, science connections, and spotlight biographies. Backmatter includes four quizzes inspired by both the Pythagorean and Chaldean number chart.