Please follow this link to the new Extension Sales Portal

If you have the current site bookmarked, don't forget to update the link!

We are available on email ( and telephone (413-545-5227) to answer your questions. Payment can be made by credit card over our secure portal.  To purchase pesticide study materials by check at a discounted rate, please visit the Pesticide Education site for an order guide at Please note that the bookstore will only ship to addresses within the United States. Orders for multiple copies are NOT eligible for RETURN.