...
Affordance and Emotion Design.pdfAffordance | Affordance & Emotion by Donald A. Norman
Sketching
IxDSketchBook 2.pdfIxD | IxD sketchbook by Bill Verplank
...
TouchIllusionsHayward.pdfOn | On tactile illusions by Vincent Hayward
Podcasts
http://99percentinvisible.org/ | great Podcast by Roman Mars on design and architecture
> Norman Doors: on affordance