The Friends of the Montrose Library will hold a used book sale from Friday, October 19 through Sunday, October 21 in the library meeting room. Special members-only hours are Friday, 8 am to noon. Public open hours are noon to 6 pm Friday; 10 am until 6 pm Saturday; and 10 am until 4 pm on Sunday. On Sunday 2 to 4 pm, customers can fill a reusable bag with books for $5. For information, call the library at 970-249-9656.