Manuel Castells (2009), Communication Power. Oxford, New York: Oxford University Press. (571 p.) ISBN 978-0-19-956-701-1 The book Communication Power can be seen as a successor of Volume II of Castells’ major triology about the Information Age , called The Power of Identity (1997) . In his new book Castells focuses on the role of communication networks in power-making in society , with an emphasis on political power making . He defines power as ‘the relational capacity that enables a social actor to influence asymmetrically the decisions of other social actor(s) in ways that favour the empowered actor’s will, interest and values’ (p. 10) . Power is not an attribute of individuals and groups but a relationship . This definition clearly is appropriate for networks and the network society, the main topics of this book. Castells’ main claims are that 1) communication networks are central to the implementation of power-making of any network, such as cor...