You have the opportunity to improve your collection of books this weekend at the annual Fall Book Sale for the Boise Public Library. This sale does not have bag sales as everything is individually priced but features thousands of different books, plus videos and music c-d's. The sale will be open Friday from 9 am to 8 pm, Saturday 9 am to 5 pm and Sunday from 10 am to 5 pm with everything left on Sunday half price.