diff --git a/progit.asc b/progit.asc
index 55720637..96f38f0d 100644
--- a/progit.asc
+++ b/progit.asc
@@ -6,6 +6,8 @@ Pro Git
 :toclevels: 2
 :front-cover-image: image:book/cover.png[width=1050,height=1600]
 
+include::book/preface.asc[]
+
 include::book/01-introduction/1-introduction.asc[]
 
 include::book/02-git-basics/1-git-basics.asc[]
@@ -31,4 +33,3 @@ include::book/A-git-in-other-environments/1-git-other-environments.asc[]
 include::book/B-embedding-git/1-embedding-git.asc[]
 
 include::book/C-git-commands/1-git-commands.asc[]
-