$80
Excellent Condition. Barely Used.
http://www.bkstr.com/webapp/wcs/stores/servlet/CourseMaterialsResultsView?catalogId=10001&categoryId=9604&storeId=10161&langId=-1&programId=562&termId=100024991&divisionDisplayName=Stanford&departmentDisplayName=MATH&courseDisplayName=19§ionDisplayName=01&demoKey=d&purpose=browse
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