John Palfrey, Born Digital: Understanding the First Generation (2010)
A deft and accessible account of how the generation growing up today will face increasing challenges to their privacy.
Laura Donohue, The Cost of Counterterrorism: Power, Politics, and Liberty (2008)
A detailed and compelling history of how 9/11 altered privacy and surveillance in the US and UK.
Colin J. Bennett, The Privacy Advocates: Resisting the Spread of Surveillance (2010)
A very informative account of those who work in the privacy advocacy community.