It is said that the perfect yogi can relinquish his body at death and journey, at the speed of mind, to antimaterial planets far beyond the limits of the material universe. Encompassing the systems of sankhya, astanga and bhakti, this absorbing publication treats the science of yoga, particularly in its application to out-of-body travel.
Easy Journey to Other Planets was one of the earliest small books available at the onset of The Hare Krishna Movement. The following is a link for a free download of the original edition that Srila Prabhupada printed in India before he ever came to the USA. Just click on link at bottom of post.