The Public Library of Cincinnati and Hamilton County
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Ask a Librarian

Have a question for us? There are a variety of ways you can get assistance.

Chat with Us
Use KnowItNow, our online reference service, to chat with a librarian. The service is available 24 hours a day, 7 days a week. Learn more about KnowItNow.
Email Us
Send us your reference question by email. You will receive a response within 24 hours whenever possible.
Homework Chat
Homework Chat offers students in grades 3-12 the opportunity to work with expert tutors in a “online classroom” on a wide range of subjects, including: math, science, social studies, and English. Tutors are available seven days a week, from 2:00-11:00 p.m. If you haven’t used the service before, please read through our instructions for first time users and information about downloading the online classroom.
Telephone Us
Call the Information Desk (513-369-6900)and talk to one of the Main Library’s expert reference librarians. Calls are taken Monday–Wednesday 9 a.m. to 9 p.m., Thursday–Saturday 9 a.m. to 6 p.m., and Sunday 1 p.m. to 5 p.m.
Visit Us
Stop by the Main Library or any of our neighborhood branches during regular service hours. Staff will be happy to assist you!
Contact Us
Send us a comment or suggestion.