•
Economics: European Edition (Spring 2007), Paul Krugman, Robin Wells, and
Kathryn Graddy. •
Macroeconomics (February 2006), Paul Krugman and Robin Wells. •
Economics (December 2005), Paul Krugman and Robin Wells. •
Microeconomics (March 2004), Paul Krugman and Robin Wells. •
The Occupy Handbook (April 2012), edited by Janet Byrne. ==References==