From 3645c4a332647e183cf5dd9502795d920ddb808b Mon Sep 17 00:00:00 2001
From: Allen Downey <downey@allendowney.com>
Date: Sat, 31 Aug 2024 15:50:46 -0400
Subject: [PATCH] Adding chapter numbers

---
 jb/_toc.yml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/jb/_toc.yml b/jb/_toc.yml
index 8b3caea9..d8f237a5 100644
--- a/jb/_toc.yml
+++ b/jb/_toc.yml
@@ -1,9 +1,13 @@
 format: jb-book
 root: index
+
 parts:
-- caption: Chapters
+- caption: Front Matter
   chapters:
   - file: preface
+- caption: Chapters
+  numbered: True
+  chapters:
   - file: chap01
   - file: chap02
   - file: chap03