The Basics of Numerology by Michael McClain grew out of the popular website, Astrology-Numerology.com which Michael opened on the Internet in 1996. It has hosted millions of visitors from many countries around the world in the past quarter century.

The book is a guide that covers many of the core tenets of numerology. It covers the Life Path numbers providing a general outline of each of the base numbers. Likewise, the Destiny numbers, Birthday numbers, and other core numbers are explained in detail.

Chapters on important numerology cycles include the Personal Years, Life Path Periods, Pinnacles phases, and Challenges, all explained in detail. With each, there is careful instruction on calculating the reader's numbers to learn the secrets of their numerology profile. The book touches on changing your name, selecting a suitable pen name or stage name. The final pages are devoted to relationships, particularly understanding and blending smoothly with the partner's traits.