Quote:
Originally Posted by ruby101
I'm first year student. I saw some textbooks include Pin codes ? So can anyone tell me what's Pin Codes ? I have to buy a new one or I can buy used one ? Thanks in advance.
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There arn't any used pin codes available for purcase because they're used to make an account on whatever website the textbook is associated with.. if you buy you texts used from a student, you should ask them if they have their account details.
If you buy used from the bookstore
sometimes there are unused codes in the front or back cover, but almost always they've been taken (as well as the CD if one is included), so be sure to check through a couple of books to see if there are any that a student forgot in there
Masteringbio is a really good one (bio 1a03) and you should get it if you can.