The annual book sale at the Keller Public Library took place today (Saturday) from 9 a.m. until 2 p.m. The majority of the books in the sale have been donated and others have been taken out of circulation at the library. Hardback books are sold for $0.50, paperback books are $0.25 and children's books are $0.10. The proceeds will go toward the purchase of new materials for the library and the books not sold will be donated to various charities.