Conditions of Use

 Ordering process

We will gladly accept orders on official purchase orders numbered and signed from educational institutions. A hard copy of the P.O. must be faxed or mailed in before the order is shipped. We welcome orders from individuals and private companies - please enclose a check with your order.

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 Networks, Lab Packs, or Site Licenses

Network Versions (for use with multiple computers linked to a single server) and Site Licenses are available. Please call us at 800-543-0998 for information concerning the programs you are interested in. Pricing for Network Versions, Lab Packs, or Site Licenses are as follows:

Up to 5 computers

3 x single price

Up to 10 computers

3.5 x single price

Up to 20 computers

4 x single price

Up to 30 computers

5 x single price

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 How do I get on/off the mailing list?

On - please send us your Name, School Name, Address, City, State and Zip Code along with the products you are interested in (i.e. posters, social studies, etc.), or you can call us at 800-543-0998.

Off - please fax, mail or email the original mailing label from the catalog with your request to be removed.

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 How long before I receive my order?

In general terms, orders within the contiguous U.S. will take 5 to 10 business days. In Canada, delivery can take 3 to 4 weeks. 

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 Payment terms

All orders are shipped on a net 30 basis. A 1% service charge will be added per month for late payments. Product purchase does not give the user permission for duplication or transfer without prior written consent from the copyright holder. Prices and availability are subject to change without notice. All orders are subject to approval.

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 What is a hybrid CD?

It is a CD-ROM that functions in a Macintosh or Windows based environment.

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 Installation and troubleshooting

If you are having problems installing or getting your software to work, we are here to help you. Call us at 800-543-0998, or e-mail us at

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 Target age groups

Most of our products target the middle school through adult levels. However, an increased number of our newer products also target elementary ages. If you have a question regarding a specific title, please call us at 800-543-0998.

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 Ordering a single poster out of a poster set

Single unlamented or laminated posters can be ordered. Please visit to see all available posters. For your convenience, there is also a single poster catalog selection on our home page.