TPR Chapter Passages?

[remedy23]

I was considering getting TPR 2015, but I heard the books weren't really updated.

1) Is there any way I can access the chapter review passages or do I have to buy the books?
2) Also, I have the TPR 2013, have the chapter review passages really changed much in 2015?

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[aspiringdocO]

So I went to B&N yesterday and after looking through all of their content books (sciences only), their wasn't much difference with the TPR 2012/2013 edition. TPR psych/socio is obviously different. The only differences I noticed with the (hard sciences) content books was a little more biochem in the biology content review book and some more molecular techniques.