More than 140 independent bookstores around the country have signed up to participate in National Bookstore Day, a PW-sponsored initiative to get customers into bookstores tomorrow. Booksellers are planning promotions, discounts, author signings, raffles and contests to celebrate the day. For a complete list of participating stores, click here. It's not too late to participate; booksellers can visit www.publishersweekly.com/bookstoreday to download free bookmarks and store signs.