In the same vein as "Rebel Buddha" by the same author, although this book is much foullié and arduous. To my mind, it is best to read first "rebel buddha" before tackling this book "The spirit beyond death: Preparations for the big trip" which is itself and in For me a least referring about different concepts of "bardo.". With this work, the concept of "Bardo" no longer appears to me as inaccessible.