Book Recommendation! Our Common Journey: A Transition Towards Sustainability

Hello!  This book was recommended to me by the Director of the Office of Sustainability at Yale, Julie Newman.  She said that it was a must-read!  Has anyone read it?  If so, what did you think?

Here's the link to a full description on the National Academies Press website:
http://www.nap.edu/catalog.php?record_id=9690