Request for Best K-12 Media Center sites.

["Global SchoolNet Fdn (FrEdMail)" <lmnet-l@ACME.FRED.ORG>]

Please send me information on the best K-12 - related sites for use in
media centers.  The media specialists of my county are creating a list of
the most promising destinations.  Their focus is on research, on-line
reference materials, and other items that would help meet the info
acquisition needs of K-12 students.  Thanks for your assistance.