Michael Neenan and Windy Dryden are experienced teachers of Rational Emotive Behaviour Therapy (REBT). Over the years, they have noticed a large number of common errors which students regularly make: in fact, they can reliably predict what most of these errors will be. Initially, Neenan and Dryden aimed for 50 or 60 errors, thinking that this would be the limit, but in fact they reached 101. They assembled the errors in to seven categories: general,...