----------------------------Original message----------------------------
 
I don't know if this info has been posted here before.  If so, I
apologize.
 
Tasa Graphic Arts has 3 interactive cdroms of interest to maps-l folks:
 
Introduction to Topographic Maps--$59
Explore the Planets--$59
The Theory of Plate Tectonics--$59
 
These are designed for 7th grade to college.
I have seen the Plate Tectonics one.  It is very well done.  It also has
its text in Spanish.
 
They are worth checking out.
 1-800-293-2725
 
--Christopher JJ Thiry
Map Librarian
Colorado School of Mines
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