The Complete Enneagram by Beatrice Chestnut

The Complete Enneagram: 27 Paths to Greater Self-Awareness details all the major aspects of the Enneagram model of personality: its three centers of intelligence, nine types, 27 subtypes, and the specific growth paths of the types. You won’t find this level of clarity about the 27 subtype personalities anywhere else!  

This book brings the Enneagram into the 21st Century. It describes the Enneagram types and subtypes in clear, accessible terms, and provides the latest information on the psychological nature of the types and subtypes as well as crucial insights into the inner work people can do to manifest their highest potentials.