at http://www.scribd.com
you'll find an 200 page ( not the 300 page one ) English version under " Holistic Medicine " translated by Dr Markolin whose website has videos/tutorials at : http://www.learninggnm.com
Amazon has a bunch of books on GNM by others. I look forward to Giorgio Membretti's " The nedicine upside down " in October 2013.
Check out there Pierre Pellizarrio's book in Spanish, Italian & French ( J'ai verifie la medecine du Dr Hamer ").