BUY THE BOOK! MAKE A DONATION!
Buy the book for 22 euros with an autograph from the author! Fill in the details carefully – names and address. The book is not bulky, will be sent by regular mail, fits in a standard post box without a problem.
Make a donation! There should be no prohibitions in science. Whether or not there is air is a purely scientific question. It is currently a “forbidden zone”!