Book Recommendation: Méthode de Dédoublement personnel

Title: Méthode de Dédoublement personnel Author: Lancelin Year: 1912 Description: First ever how-to book on astral projection, never translated into English. Includes the story of the doppelgänger of Emilie Sagee translated into French from Robert Dale Owen's "Footfalls on the Boundary of Another World" which can be viewed in its entirety at the link below (be sure and see both Part I and Part II of this fascinating account.) https://marilynkaydennis.wordpress.com/2011/06/15/emilie-sagee-the-ubiquitous-teacher/