have any one heard of a book called Dead Mans Secret.?

[Shuhayl]

authored by jonathan gray based on discoveries of ancient artifacts that the government and the mainstream scientists do not want us to know.
i have the pdf ebook version of it and have read it.
it has over a thousand discoveries
i can't state all of them but one of them is that the ancient used solar energy and electricity.

 

[LindsayL]

no i havent but it seems really interesting! ty for sharing