Your best way of judging them would be to look at the samples and additions that are available on the website. http://mathematicaguidebooks.org/samples.shtml http://mathematicaguidebooks.org/additions.shtml I have all four, and consider them valuable references. I listed them in http://www.maa.org/editorial/mathgames/mathgames_01_02_06.html Ed Pegg Jr ----- Original Message ---- From: Robert Baillie <rjbaillie@frii.com> To: math-fun <math-fun@mailman.xmission.com> Sent: Monday, March 27, 2006 9:39:03 AM Subject: [math-fun] Mathematica Guidebooks ? Springer publishes a 4-volume set of Mathematica reference books by Michael Trott, at $80 per volume. They are described at http://mathematicaguidebooks.org Has anyone seen hard-copies of these? What do you think? Are they useful? Are they a waste of money? Bob Baillie _______________________________________________ math-fun mailing list math-fun@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/math-fun