From f990d078910d4f960c4d85863b0c121c4614bc87 Mon Sep 17 00:00:00 2001
From: hadley <h.wickham@gmail.com>
Date: Tue, 8 Dec 2015 05:49:16 -0600
Subject: [PATCH] Note a couple of communication resources

---
 rmarkdown.Rmd | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rmarkdown.Rmd b/rmarkdown.Rmd
index a1b6e51..8404d45 100644
--- a/rmarkdown.Rmd
+++ b/rmarkdown.Rmd
@@ -9,8 +9,8 @@ output: bookdown::html_chapter
 
 Recommendations for learning more about communication:
 
-For writing: [Style: Lessons in Clarity and Grace](http://amzn.com/0321898680).
+For writing: [Style: Lessons in Clarity and Grace](http://amzn.com/0321898680), <http://www.americanscientist.org/issues/id.877,y.0,no.,content.true,page.1,css.print/issue.aspx>
 
-For presentations:
+For presentations: [slide:ology](http://amzn.com/0596522347), <http://www.howtogiveatalk.com>
 
 For expository visulisations: WSJ guide?