Hello everyone, i just have a quick question for the amsco apush book. </p>
What is difference between this one and the other.</p>
[Half.com:</a> United States History: Preparing for the Advanced Placement Examination(9781567656022): John J. Newman: Books](<a href=“http://product.half.ebay.com/United-States-History/2810199&tg=info]Half.com:”>http://product.half.ebay.com/United-States-History/2810199&tg=info)</p>
[Half.com:</a> United States History: Preparing for the Advanced Placement Examination(9781567656602): John J. Newman: Books](<a href=“http://product.half.ebay.com/United-States-History/4671588&tg=info]Half.com:”>http://product.half.ebay.com/United-States-History/4671588&tg=info)</p>