If you're interested in International Development check out these books and sites that were included in an email to incoming students to Georgetown's MIDP a couple years ago.
· Daron Acemoglu and James Robinson, Why Nations Fail
· Abhijit Banerjee and Esther Duflo, Poor Economics
· William Easterly, White Man’s Burden
· Dean Karlan, More than Good Intentions
· Bjorn Lomborg, Global Crises, Global Solutions
· Lant Pritchett, et al, Moving Out of Poverty: 2
· Dani Rodrik, One Economics, Many Recipes
· Chris Blattman: http://chrisblattman.com/
· Owen Barder: http://www.owen.org/
· Dani Rodrik: http://rodrik.typepad.com/
· Tyler Cowen: http://marginalrevolution.com/
· IPA Blog: http://poverty-action.org/blog
· World Bank Impact Eval Blog: http://blogs.worldbank.org/impactevaluations/
· CGD Policy Blog: http://www.cgdev.org/section/opinions/blogs
· J-PAL Website: http://www.povertyactionlab.org/
· 3ie Website: http://www.3ieimpact.org/