Mercer County District Library

303 N. Main St., Celina, OH 45822 | Phone: 419-586-4442

St. Henry-Granville Branch Library

200 E. Main St., St. Henry, OH 45883 | Phone: 419-678-3128

Zahn-Marion Twp Branch Library

5 E. Franklin St., Chickasaw, OH 45826 | Phone: 419-925-4966

Mendon-Union Branch Library

105 W. Market St., Mendon, OH 45862 | Phone: 419-795-6472

Mercer County District Library

303 N. Main St., Celina, OH 45822 | Phone: 419-586-4442

The Ohio Digital Library

The Ohio Digital Library
Use your library card to borrow free ebooks, and audio books from the library.

Calendar of Events

Calendar of Events
Your library offers programs for children and adults on a variety of interesting topics.

Book Clubs

Book Clubs
All Mercer County District Library locations have book clubs / discussion groups that meet regularly.

Langsdon Mineral Collection

Langsdon Mineral Collection
The Ron & Ruth Langsdon Mineral Collection contains over 800 minerals from around the world.

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