Paper Source carries beautiful wrapping papers ($2-$5 a sheet), as well as handmade and specialty papers (up to $26 per sheet). Create your own invitations or take advantage of custom design services. The shop sells supplies for bookbinding, card making, and calligraphy, and holds one-day workshops in those and other crafts. There's also a good selection of rubber stamps, ribbons, and more to help decorate your paper creations.