 First published in 1857, this book explains the fundamentals of the Spiritist Doctrine concerning the nature of Spirits, their manifestations, and how they relate to men, moral laws, and the present and future life and destiny of humankind.The book is both an introduction to the other works and a summary of them, which, in their turn, can each be seen as an unfolding of one of the issues it covers.First published in 1861 with a subtitle of "Guide des Médiums et des Évocateurs", this book deals with the teachings of the Spirits on the various kinds of manifestations, the means of communication with the invisible world, the development of mediumship, the difficulties and embarrassments that one can face during Spiritist practice;

First published in 1864, this book explains the moral teachings of Jesus, showing how they are in accordance to Spiritism and how they can be applied to the many aspects of life.