Become a Member Library

Why be part of CW MARS?

Libraries interested in CW MARS membership are encouraged to read through our list of member benefits and membership requirements. Use the "CW MARS Membership Inquiry Form" button at the bottom of this page to contact us for more details.

Membership Requirements

Membership is open to libraries and other non-profit organizations that are

      • members of the Massachusetts Library System (MLS)
      • governed by a single legal entity that has full administrative and fiscal responsibility for daily operations

Member Libraries must make all circulating collections available to all members of the consortia.

Member Library Benefits

  • shared integrated library system (ILS)
  • cataloging services and support
  • ILS technical support and training
  • custom reports
  • annual statistics
  • access to consortial econtent
      • OverDrive collection
      • NoveList readers advisory database
      • NoveList online catalog record enhancements
      • Book cover images subscription
  • CW MARS applies for grants to keep membership affordable
  • CW MARS negotiates group buying discounts


Benefits for your Patrons

  • access to millions of items in shared catalog
  • access to thousands of ebooks, audiobooks, magazines and video via consortial OverDrive digital collection
  • holds priority on CW MARS OverDrive collection
  • easily place holds on materials via online catalog
  • pick up requested items at your library
  • use CW MARS library card at any CW MARS member library
  • ecommerce platform for online payments of fines and charges
  • My Account allows patrons to manage notification settings, profile details, place holds, renew items, and pay fines/charges online
  • Mobile apps for Catalog and OverDrive

Optional Member Services

  • Internet line and telecommunication hardware
  • technical support for networked libraries
  • wireless access, reporting and support
  • email and productivity tools
  • computer reservation software
  • print management software including mobile print option
  • PC Desktop support





Interested in becoming a CW MARS member library? Use the "CW MARS Membership Inquiry Form" button below to contact us for more details: