Any difference between the 2007 and the 2012 version?
The 2012 is way too expensive, so I'm thinking of getting the older one.
>any difference
>cover is clearly different
Yes there is a difference.
>>9204624
The version you should get is always the one that is on libgen.
http://libgen.io/book/index.php?md5=72279FFC7B744888F1D11EF58D5DEC10