body: I believe the author has published it online. However, I am unsure if I'm allowed to read it. I found it when searching.
  
  
  It says unauthorised reprint or use is not permitted. All rights reserved.
  
  
  Here's the link: <http://ppstest2.com/PreAlgebraBook.pdf>
  
  
  Please tell me if it's legal
  
  
  
title: Is this PDF book legal?