[GRASSLIST:5478] Any books useful for GRASS 6 ?

[Jason Joines]

	I've seen references to a book based on GRASS 5.3 in this list and on 
the website.  Would it be useful to someone who hasn't used GRASS before 
and is about to jump in with GRASS 6 beta 1?  If not, any other suggestions?

Thanks,

Jason Joines
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