This is not for everyone, however, they provide a lot of free resources. The concept here is much deeper than what we touched on in Mersino's book, but I think they are related in that, if you took the time to be this aware of yourself, imagine how that would affect all of the relationships around you - professional and personal. http://www.ojaifoundation.org/
I subscribe to a lot of topics here and I find they provide a lot of free literature and have interesting blogs! Check out the Project Management Myths Debunked section, it is funny but true.
http://www.successful-project-management.com/project-management-communication.html