A used book sale is taking place from 10 a.m. to 2 p.m. Saturday Oct. 23 in the cafeteria of Sacred Heart Academy, 265 Benham St., Hamden.  More than 3,000 books for all ages and interests will be available. Proceeds benefit the Apostle Immigrant Services, a ministry of the Apostles of the Sacred Heart of Jesus.  Located in Fair Haven, the ministry provides educational and legal services.  Enter through the back parking lot to the cafeteria.