This book includes biographical works by the Author, gives a definition of yoga and a description of Patanjala Yoga. This entire work is the result of inspiration from the words of Patanjali, whose wisdom passes through the eight petals (ashtanga) of yoga, namely yama, niyama, asana, pranayama, pratyahara, dharana, dhyana and samadhi. Their synthetic description is intended to spark readers’ interest and inspire them to practice yoga.