I have an excellent book called, simply, "Sand". It is large-format and
beautifully illustrated, presenting many highly technical geological aspects of
sand in an extremely inspiring way. It might well be a useful source of ideas
and inspiration to you, if nothing else.
Sand. Author : Raymond Siever. Publisher : Scientific American Library. ISBN
0-7167-5021-X
By the way, let me know if you need any help with hands-on exhibits. You might
also be interested in our new Interactive Science web-site :
http://ourworld.compuserve.com/homepages/in tsci/
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[log in to unmask] ~~~~~~~~~~~~~~~~~~~~~~~~ Exhibits, Exhibitions
:)nteractive Science
Ian Russell & all Serious Fun
~~~~~~~~~~~~~~~~~~~~~~~~