The first book in the monumental work of Theosophic thought. This book focuses on gaining occult power in the formation of the universe and the cosmos. This group sought to learn the secrets of nature, science and divinity in order to empower themselves to godhood and this book reveals their secrets as to how knowledge to do this can be attained. It does not reveal what the ultimate saving knowledge is that can do this but it gives guidelines on how to start the journey for yourself.