&quot;Explore It&quot; by Elisabeth Hendrickson [1] is a short, easy-to-read introduction to exploratory testing (&quot;manual testing&quot;) that has many concrete ideas for what and how to test SW.<p>[1] <a href="http:&#x2F;&#x2F;www.amazon.com&#x2F;Explore-Increase-Confidence-Exploratory-Testing&#x2F;dp&#x2F;1937785025&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.amazon.com&#x2F;Explore-Increase-Confidence-Explorator...</a>