| Riders |
| Extras |
| Tack-ons |
| Appendix |
| Appendices |
| Book ends? |
| Appendixes |
| Postscripts |
| Supplements |
| Book extras |
| Riders, e.g. |
| Things added |
| Afterthoughts |
| Book supplement |
| Contract extras |
| Book appendixes |
| Extra pages, say |
| Things tacked on |
| Book supplements |
| Tacked-on sections |
| Things in the back |
| End-of-book matter |
| Dictionary section |
| Supplementary items |
| Supplements to books. |
| Supplemental material |
| Back-of-the-book list |
| Back-of-the-book items |
| Supplementary sections |
| Back-of-the-book lists |
| Supplementary material |
| Bill riders, for example |
| They're found in the back |
| They often get incorporated into the body |
| Contract extras, and read differently, a hint to this puzzle's theme |