If you want to understand the gist of the thinking failures that Reality-Based Thinking is designed to avoid, the article linked below is a great way to do it. Keith Stanovich, in this January 2015 article in Scientific American, breaks down the basics from his book What Intelligence Tests Miss: The Psychology of Rational Thought, which is on the SRBT list of recommended reading.
“Rational and Irrational Thought: The Thinking That IQ Tests Miss” by Keith E. Stanovich. 1 January 2015. (Links to the original article at scientificamerican.com)