Can anyone comment on the suitability of these two books:

Alan Bensky "Short-Range Wireless Communication"
Cotter Sayre "Complete Wireless Design"

I had the obligatory EM Fields course in college years
ago, now I need to actually use this knowledge. I need
an intro-level text for RF communication, but not a 
'cookbook' The goal is to educate myself on the 
fundamentals and slowly fill in the gaps. Currently my 
only real option is to use off-the-shelf modules; I wish 
to be free of this constraint. Any other book or web
recommendations are of course welcome.

thanks!
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