Mercer County Library System

We are committed to providing the materials and services that satisfy the educational, informational, recreational, and cultural needs of our diverse community, and strive to encourage a lifelong interest in reading.

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Behind the Books: Our New Podcast

Behind the Books is a bi-weekly podcast, including interviews with an author, as well an MCLS library staff member each episode.

Hybrid Opening

Face Masks Required

All library visitors over the age of 2 must wear face masks that cover the nose and mouth both inside a County library facility, and outside, when receiving library materials.

Indoor Browsing and Services

Quick, intentional visits instead of casual extended stays are encouraged.

  • Monday: 10:00 am to 5:00 pm
  • Wednesday: 10:00 am to 8:00 pm
  • Friday: 10:00 am to 5:00 pm
  • Saturday: 2:00 pm to 5:00 pm

Hollowbrook Branch

  • Monday: 9:00 am – 12:00 pm & 1:00 pm – 5:00 pm
  • Tuesday: 9:00 am – 12:00 pm & 1:00 pm – 5:00 pm
  • Wednesday: 9:00 am – 12:00 pm & 1:00 pm – 5:00 pm
  • Thursday: 9:00 am – 12:00 pm & 1:00 pm – 5:00 pm
  • Friday: 9:00 am – 12:00 pm & 1:00 pm – 5:00 pm

Aged 65+ and Immunocompromised Individuals

  • Monday: 10:00 am to 11:00 am
  • Friday: 10:00 am to 11:00 am

Curbside Pick-Up Appointments

Appointments must be booked no later than one hour before the timeslot. If you would like to book a timeslot within an hour, please call the branch to see if they can accommodate you.

  • Tuesday: 10 am to 4:30 pm
  • Thursday: 10 am to 4:30 pm
  • Saturday: 10 am to 12:30 pm

Hollowbrook Branch

  • Monday: 10:00 am – 4:00 pm
  • Tuesday: 10:00 am – 4:00 pm
  • Wednesday: 10:00 am – 4:00 pm
  • Thursday: 10:00 am – 4:00 pm
  • Friday: 10:00 am – 4:00 pm

Available Services

Readers’ Advisory

Staff Picks