SFU International Finance/International Trade Econ 345/Econ 342 eBook - $40
You don't really need the hard copy now a days! Because you will hardly be studying the whole book anyways!
You cannot get the new edition this cheap. Even the publisher "pearson" is selling it for $93.
Details:
International Economics, 9th Edition
By Paul R. Krugman, Maurice Obstfeld, Marc Melitz
Published by Prentice Hall
http://www.mypearsonstore.com/bookstore/international-economics-0132146657
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