9781464132469 | Psc/pap edition (Worth Pub, April 18, 2012), cover price $115.05

9781464132032 | Pap/psc edition (Worth Pub, April 16, 2012), cover price $215.85

9781464131400 | Pap/psc edition (Worth Pub, April 12, 2012), cover price $253.50

9781464116285 | 2 pck pap/ edition (Worth Pub, December 1, 2011), cover price $186.90

9781464115905 | Pap/bklt edition (Worth Pub, December 1, 2011), cover price $205.90

9781464115929 | Pap/bklt edition (W H Freeman & Co, December 1, 2011), cover price $218.70

9781464115936 | Pap/bklt edition (W H Freeman & Co, December 1, 2011), cover price $191.70

9781464122187 | 2 edition (Worth Pub, January 23, 2015), cover price $193.15

9781429218276, titled "Krugman's Economics for AP: Ap Edition" | Worth Pub, June 30, 2011, cover price $232.20

9781429286060 | Worth Pub, May 6, 2011, cover price $201.65 | About this edition: Book by Ray, Margaret, Anderson, David

9781429297288 | Har/psc edition (W H Freeman & Co, May 1, 2011), cover price $213.00

9781429287302 | Worth Pub, April 30, 2011, cover price $238.60 | About this edition: With the acclaimed writing and teaching approach of Paul Krugman and Robin Wells, Microeconomics in Modules offers:A concise, accessible introduction to economics with 45 modules divided into 8 sectionsA format that lets students explore economics at an effective pace—one essential topic at a time.

9781464142284, titled "Krugman's Macroeconomics for AP" | 2 edition (Worth Pub, January 23, 2015), cover price $173.85 | About this edition: Macroeconomics for AP

9781429257305 | Worth Pub, July 30, 2010, cover price $201.65 | About this edition: "Adapted from Macroeconomics, Second edition by Paul Krugman and Robin Wells.