Every now and then I come across a useful free and relevant Kindle e-book. So I'll start a thread and list ones I find useful. Starting with this one:<br><br>And another free kindle book on camping today:<br><br>http://www.amazon.com/o/ASIN/B004JHYSQ2/N40-20/KINDLE/<br><br>You can download a free kindle ebook reader from here:<br><br>http://www.amazon.com/gp/feature.html/ref=dig_arl_box?ie=UTF8&docId=1000493771<br><br>