Which one to buy

<p>This one is the newer edition but i would have to buy it used since the newer ones cost upwards of 300$ Amazon.com:</a> World Civilizations: The Global Experience, Ap Edition (9780131732889): Peter N. Stearns, Michael Adas, Stuart B. Schwartz, Marc J. Gilbert: Books</p>

<p>or this one it's the old edition but i could buy a new one for 100$ Amazon.com:</a> World Civilizations: The Global Experience, Ap Edition (9780131939271): Peter N. Stearns: Books</p>

<p>For AP WH Exam(Plan on self studying)</p>

<p>yeah this is a stupid question but anyone?</p>