Thirty-Eight Lessons on How to Recognize Bad Reasoning

by Nathaniel Bluedorn and Hans Bluedorn

The Fallacy Detective has been the best selling text for teaching logical fallacies and introduction to logic for over 15 years.

What is a fallacy? A fallacy is an error in logic  a place where someone has made a mistake in his thinking.

A cloud is 90% water. A watermelon is 90% water. Therefore, since a plane can fly through a cloud, a plane can fly through a watermelon.













This is an easy book for learning to spot common errors in reasoning.

“Can learning logic be fun? With The Fallacy Detective it appears that it can be. I thoroughly enjoyed this book and would recommend it to anyone who wants to improve his reasoning skills.” -Tim Challies, curriculum reviewer

“Cartoon and comic illustrations, humorous examples, and a very reader-friendly writing style make this the sort of course students will enjoy.” -Cathy Duffy, homeschool curriculum reviewer

“I really like The Fallacy Detective because it has funny cartoons, silly stories, and teaches you a lot!” -11 Year Old

Web page copyright December 01, 2015, all rights reserved. 269923 views