how different are the hyperlearning science workbook editions

[echoyjeff222]

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Just wondering how different, say, the 2004 or 2006 edition is compared to the 2010 or 2012. Thanks!

 

[ciestar]

I have a couple editions, I didn't notice much of a difference other than the order of the passages/sections

 

[Person0715]

They don't change much, if at all, from year to year