"Keystones Of Our World" is a book-series,

 

          starting on May 11, 2017

           with its first part:

 

 

        "The Whole World

          Is Information"

 

 

                ISBN 978-3-936624-33-5

Softcover (SC), 72p. (2017), 8,00 €

 

                ISBN 978-3-936624-34-2

                E-Book (2017)