It deals with designing interactive systems for people with special need and disabilities.
For e.g. Children, Blind/Visually-Impaired, Senior Citizens, Autism, Downs Syndrome,
SCI (Spinal Cord Injuries), Memory Loss (Amnesia) and Learning Impairments.
There are also topics that deal with the Digital Divide as well as Web Accessibility.
Are you looking for 2011 Tuts?
I only have the 2009 and 2010 Tuts.