Yes, most hotel bookings are refundable provided that you cancel prior to the accommodation's cancellation deadline, which is often 24 or 48 hours before the scheduled arrival. If your reservation is non-refundable, it may still be possible to cancel it and be given a refund within a 24-hour period of your booking. Plug in your dates, click on "Search", then you can use the "fully refundable" filter to review the best deals available near Seattle Central Library.