Just in time for family holiday gatherings and the 2012 political election, we have a free eBook to help you learn how to argue with people who spread misinformation.

Written by John Cook, Global Change Institute, University of Queensland and Stephan Lewandowsky, School of Psychology, University of Western Australia, The Debunking Handbook gives tips on how to discuss the facts when you are in conversation with myth perpetuators. Here is an excerpt: “Common wisdom is that the more counter arguments you provide, the more successful you’ll be in debunking a myth. It turns out that the opposite can be true. When it comes to misinformation, less can be more.”

The Skeptical Science web site has the free PDF download.

For more free eBooks, check out our Free eBook of the Day archive. (Via Lifehacker).