Robert Feenstra & Alan M. Taylor 
Essentials of International Economics [PDF ebook] 

Developed in the classroom by two of the most prominent researchers in the field, Feenstra and Taylor’s International Economics is a modern textbook for a modern audience, connecting theory to empirical evidence and expanding beyond the traditional focus on advanced companies to cover emerging markets and developing economies. Essentials of International Economics, Third Edition is the brief version of that textbook designed for a one-semester course covering both international trade and international macroeconomics. The new edition has been thoroughly updated, including the latest on the Eurozone crisis.