By now you’ve rocked Black Friday, Small Business Saturday, and Cyber Monday — in order to complete the post-Thanksgiving spending-palooza, you’ve got one day left: Giving Tuesday. And there’s no better way to celebrate both Giving Tuesday and your own personal bibliophilia than by checking out some literary nonprofits to donate to on Giving Tuesday and throughout the holiday season. I’ve complied a handy list of 18 of them for you below.