Officials with the library were grateful for the donation, as they do not receive any federal, state or county money and strictly run off of donations or membership fees.
The library also runs exclusively through volunteers.
"We've been blessed with volunteers that help out -- we really have," Chief Volunteer Carole Mayrose said. "We've been blessed with donations of books. It's just unreal."
The library first opened in April 2008 in the corner of the building with a small table and children's chairs.
"When we started, we never thought we'd grow out of the corner that we started in," Mayrose said. But the library has definitely grown -- now with a room full of books including everything from mysteries to military history to westerns, as well as a separate room just for children's books.
One bookcase was donated when the library first opened, and soon many books were donated.
Now, the library holds more than 20,000 books -- all of which have been donated from various people around the country.
Bookshelves have been donated or built by volunteers, thanks to a grant received through the Wabash Valley Community Foundation.
The library has six regular volunteers and others who step in when needed. The volunteers process books, label books, organize the books by categories, check the books in and out with customers and clean the building.
"If we did not have volunteers, we could not open the doors because we have no funding," Mayrose said. "We have no tax money. Everything is donated."
The library offers a $15 per year family membership fee to check out books or magazines.
"We have the $15 fee so a family can afford to use the library but at the same time give us the opportunity to raise money. We've been very blessed in having different groups -- such as the Clay County Calico Quilters -- give us money. Some people just walk in and give us a couple of dollars, which we can use."
The R.E.I.N. Community Library also has fundraisers to help financially. Every year, the library has a book sale at the Clay City 4-H Fair in the green building. They sell paperback books for 50 cents and hardcover books for $1. They are also involved in the R.E.I.N. Center Fish Fry in the spring and fall.
R.E.I.N. is a committee set up to support the community in four main areas including Recreation, Education, Information and Nutrition. The library consists of the information and education aspects of the group.
"(The library) provides many people with relaxing and enjoyable entertainment," Mayrose said. "It allows them to find books close to home. Their membership gives them access to a huge choice of books. We encourage reading, and we have opportunities for children to read."