Dr.Collins versions Questions

Started by afachi
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afachi

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I have an opportunity to buy several Dr Collins Guides:

1) A guide for 2011-2012

2) A guide with 2011 updates

Here is the rub: I am not sure what the updates are. Would guide 2 be the same as guide 1? Can anyone who has the guides tell me what the major updates are?

I know there is a 2011 update. Is there a 2012 update? or is it a single 2011-2012 update

How big are the 2013 and the newer 2014/2015 updates?
 
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