diff --git a/book/source/index.rst b/book/source/index.rst
index 200b187..2e03efc 100644
--- a/book/source/index.rst
+++ b/book/source/index.rst
@@ -1,26 +1,12 @@
-Notes on OpenPGP
-================
+Notes on OpenPGP, for application developers
+============================================
 
 .. toctree::
    :numbered:
    :maxdepth: 3
+   :glob:
 
-   01-intro.md
-   02-highlevel.md
-   03-cryptography.md
-   04-certs.md
-   05-private.md
-   06-signatures.md
-   07-signature_internals.md
-   08-verification.md
-   09-encryption.md
-   10-decryption.md
-   11-armor.md
-   12-pitfalls.md
-   13-policy.md
-   14-resources.md
-   15-glossary.md
-   16-acknowledgements.md
+   *
 
 
 Indices and tables