He has several 500+ page books that some of you may find interesting.
However, “Networks of Outrage and Hope” is a much smaller book, dealing with the social movements that have appeared a little all over the world.
From the Arab uprisings, to the Ocupy Wall Street in the United States, to the indignadas movement in Spain, Castells highlights important aspects from each.
Common to all these movements is the Internet and the role social media has played in mobilizing and maintaining momentum.
I read this book in a couple of days and learned a lot I didn’t know about several of these events, from a man who was actually on the field in Spain.