The CT State Library provides circulating library materials in print, audio, and digital formats to help supplement library collections. These materials are used most often by public and school libraries. CSL completed the transition to a new integrated library system for circulation and collection management and has been using this system for more than a year.

Library staff and volunteers can visit the Service Center in person to select items, or request them via the online catalog, or call/email Service Center staff with special requests. Delivery services are provided through deliverIT CT, another LSTA-funded project. In calendar year 2018, CSL continued extended hours of operation two days per month at the Service Center to improve access.

New materials are selected and cataloged by subject experts,including the State Library's Children’s/Young Adult Services Consultant.Support staff process and shelve the new materials.

Circulating library materials include children's and youngadult books (fiction and nonfiction), book discussion sets, Maker kits, andaudiobooks on CD for all ages. New this year, the Connecticut collectionincludes books that were nominated for the 2017 Connecticut Book Award from theConnecticut Center for the Book. Both Baker & Taylor and Follett donateddiscussion sets (12 copies per set) of titles nominated for the Nutmeg BookAward for grades 2-12. Also new for circulation are two 400-piece KEVA Plank sets and kits ofmusical instruments for children.

The Service Center provides library materials that can beborrowed for 90 days by any library in Connecticut (public, school, academic,special, etc.) to supplement their collections. Most often, these materials areborrowed by schools and small libraries with modest budgets or limited shelvingspace who in turn lend the materials to their patrons.

Support staff handle all circulation tasks, reshelving, processing,and weeding.

The children's and young adult collections are particularlyhelpful for preK-5 librarians who are building reading readiness andmaintaining literacy skills with their students.

Programming resources promote literacy development inchildren who live in predominantly rural, impoverished, and/or distressedcommunities. The Service Center offers curriculum support for school librarymedia centers by supplementing summer reading lists and providing multiplecopies of titles on high school reading lists. Board book sets that aredevelopmentally appropriate for children from ages birth to three are availablefor parent/child story times.