diff --git a/book.asciidoc b/book.asciidoc
index 7ee542de..ad79eeaa 100644
--- a/book.asciidoc
+++ b/book.asciidoc
@@ -2,4 +2,8 @@
 
 = Mastering Bitcoin
 
-include::ch01.asciidoc[]
\ No newline at end of file
+include::preface.asciidoc[]
+
+include::ch01.asciidoc[]
+
+include::ch02.asciidoc[]
\ No newline at end of file