Pulp / Avon and Ace books

http://thespeedboys.blogspot.com.es/2010/11/american-and-spanish-50s-paperbacks.html
http://thespeedboys.blogspot.com.es/2010/12/american-and-spanish-50s-paperbacks.html
http://thespeedboys.blogspot.com.es/2011/01/american-and-spanish-50s-paperbacks.html
http://thespeedboys.blogspot.com.es/2011/03/american-and-spanish-50s-paperbacks.html
http://thespeedboys.blogspot.com.es/2011/07/avenger-40s-pulp.html
http://thespeedboys.blogspot.com.es/2011/05/early-60s-pulp-books.html
http://thespeedboys.blogspot.com.es/2011/08/avon-fantasy-reader-pulp-magazine.html
http://thespeedboys.blogspot.com.es/search/label/books%20and%20magazines