The Wooster Friends of the Library’s annual Summer Book Sale is being held today through Saturday.  The sale is taking place in the basement of the library’s operations center, which is located at the corner of North Market and Larwill.  Prices range from 25 cents to $1.25 for adult books, and 25 cents to 50 cents for books for children and young adults. Saturday is also Bag Day, meaning a bag full of books will be only $5.  Today’s hours are 9am-4:30pm, while hours tomorrow and Saturday will be 9am-2 pm.