Books by Robert Duff Ph. D.

2 titles available, newest first by original publication date.

Hardcore Self Help: F**k Anxiety

Robert Duff Ph. D.

$10.99

The Cost of Complication: A Short Essay Based on a TEDx Talk about the Importance of Cutting the Bullsh*t and Using Language Like a Real Person

The Cost of Complication: A Short Essay Based on a TEDx Talk about the Importance of Cutting the Bullsh*t and Using Language Like a Real Person

Robert Duff Ph. D.

$6.99