Camille Flammarion 
Death and its Mystery — Volume I: Before Death [EPUB ebook] 

First published in 1922, ‘Death and its Mystery, Before Death’ by French astronomer and author Camille Flammarion is the first volume in a series that looks at life beyond the grave. The other volumes are ‘
II: At the moment of Death’ and ‘
III: After Death.’
This series searches for proof of the existence of the soul and it considers lots of Flammarion’s personal accounts.