This document provides an introduction and first chapter from the book "Path of Perfection" by His Divine Grace A.C. Bhaktivedanta Swami Prabhupada. The introduction discusses the ancient practice of yoga and how Prabhupada brings the teachings of yoga to modern readers. The first chapter explains that karma yoga, acting in service to Krishna without attachment to the fruits of work, is the highest path. It describes how one can spiritualize the material body through bhakti yoga, devotional service to Krishna.