From 9aaea8e1336f95c327005ac28efdaa969bfdc78b Mon Sep 17 00:00:00 2001
From: hadley <h.wickham@gmail.com>
Date: Fri, 22 Apr 2016 15:28:06 -0500
Subject: [PATCH] Tell pdf_book that this is a book

---
 index.rmd | 1 +
 1 file changed, 1 insertion(+)

diff --git a/index.rmd b/index.rmd
index 5fa6f6a..887d89f 100644
--- a/index.rmd
+++ b/index.rmd
@@ -8,6 +8,7 @@ github-repo: hadley/r4ds
 twitter-handle: hadley
 cover-image: cover.png
 site: bookdown::bookdown_site
+documentclass: book
 ---
 
 # Welcome {-}