1. You can share bookshelf by going to My profile → My bookshelf section → check the My bookshelf is public checkbox and click Save

1. Then copy the Share bookshelf URL (which is a permanent URL) and share over e-mail, Facebook, Twitter or any other means:

Once you share the bookshelf publicly, and user opens the shared bookshelf URL, it will show as part of your ChiliPAC profile: