Ayer Library

Our Library Network

CW MARS hoome

The Ayer Library is a member of the CW MARS library network.    CW MARS (An acronym for Central and Western Massachusetts Automated Resource Sharing!) is a diverse consortium of over 140 public and academic member libraries located throughout Central and Western Massachusetts. Your Ayer Library card gives you borrowing privileges at all CW MARS libraries, including Shirley, Harvard, Lancaster, Lunenburg, Pepperell, and Townsend, to name a few of our neighbors. Click here for a full list of all member libraries.


ComCat home

Can’t find what you’re looking for in the CW MARS catalog? Try the Commonwealth Catalog! Also known as ComCat, this statewide catalog broadens your search beyond your local resources. In one easy step, you can search through millions of items at participating libraries across Massachusetts. Make a request and it will be delivered right to your local library for quick pickup.

Still can’t find it? Talk to us and we’ll seek it out for you! If it’s out there, and there’s a library willing to loan it, we can get it delivered here for you to pick up.

  • Hours

    Tuesday: 10 am - 6 pm
    Wednesday: 10 am - 8 pm
    Thursday: 10 am - 6 pm
    Friday: 10 am - 5 pm
    Saturday: 9 am - 2 pm
    Closed Sunday and Monday

  • Get in Touch



  • Find us

    26 East Main Street
    Ayer, MA 01432