Jestrada wrote (2003-12-30 19:20:38 PST):
Anyone familiar with the following title?
Coles Notes: Your Guide to Better Chess, by Roger
Langen (2002). Subtitle: For intermediate players:
Openings, gambits, codes, midgame tactics, endgame
strategy.

... any thoughts/impressions ...

I am not sure if it is relevant, but you might
want to look at Edward Winter's Chess Notes 2657
and 2689.

http://www.chesscafe.com/text/cnarchives04.pdf

http://www.chesscafe.com/text/cnarchives05.pdf