This book very well built by a professional (emergency doctor) in frequent contact with the rugged, married bibliographic research and personal experience and conclusively shows the continuation of life after death.
The very interesting talk to other chapters of the opportunity to communicate with comatose, experiences NDE where the exact perception of the environment is possible when the brain stops working and the ability to record on tape the voice of the missing.
He remade a great synthesis of many books written on this subject before (F Brown, Melvin Morse etc ...) with a demonstrative orientation without forgetting once again his great personal experience.
This book adds a stone to the building back to this universal spirituality beyond dogma that will characterize the 21st century which includes among others the end of the fear of death which in any case does not exist and the end the cult of materialism ...