Plato's Republic: the Myth of Er - by George A. Charalampidis

https://www.everand.com/book/354408435/Plato-s-Republic-The-Myth-of-ER-An-unconventional-interpretation-of-the-Universe-in-the-first-description-of-an-out-of-body-experience-in-Plato-s-Re