1 files changed, 2 insertions, 0 deletions
diff --git a/TODO.md b/TODO.md
index 67fcd15..c72e9cd 100644
--- a/TODO.md
+++ b/TODO.md
@@ -62,6 +62,8 @@
   * [ ] Lists of definitions, hypothesis, etimologies, examples etc in the HTML version.
         Possible implementations:
         https://stackoverflow.com/questions/40735727/create-index-of-definitions-theorems-at-end-of-bookdown-book?rq=4
+  * [ ] Backcover.
+  * [ ] Book flaps (and/or dust jacket).
 * [ ] Misc:
   * [ ] Spell checking as a `Makefile` target.
   * [ ] Suport for a `BASE_URL` environment variable?