The Friends of the Joseph T. Simpson Public Library host a winter book sale Saturday and Sunday, Feb. 9 and 10, with a members’ preview sale on Friday, Feb. 8 at Books by the Gross, 400 Cheryl Ave., Mechanicsburg.

The sale features more than 12,000 items from various categories, including fiction, non-fiction, history, sports, health, gardening, children and media.

There will be a members-only preview sale from 6 p.m. to 8 p.m. Friday, Feb. 8. Non-members can pay $20 at the door.

The main sale will be from 9 a.m. to 2 p.m. Saturday, Feb. 9, with paperbacks sold for from $1 to $2 and hard covers for $3.

A bag sale will run from 1 p.m. to 3 p.m. Sunday, Feb. 10, where customers can pay $10 for all the books that can fit in a bag (some restrictions will apply).

All proceeds from the sale support library programs and activities. Credit cards are accepted. Visit the library’s website at www.simpsonlibrary.org for more information.