The UMass Extension Bookstore no longer has regular retail hours. You can contact the Extension Bookstore directly at (413)545-5227, Monday through Friday 8 am - 4 pm.  If you reach the voicemail, please leave a detailed message and you will receive a call back as soon as possible, usually within one business day.  You can also send an email to  Thank you.

UMass Extension Bookstore
c/o Heather Lohr - 315 Stockbridge Hall
80 Campus Center Way
Amherst, MA 01003

Telephone: 1-413-545-5227