diff --git a/book.toml b/book.toml
index 8ccfef7..bbe4b7d 100644
--- a/book.toml
+++ b/book.toml
@@ -4,7 +4,7 @@ language = "en"
 multilingual = false
 src = "src"
 title = "Building Games with DragonRuby"
-description = "A comprehensive guide to shipping cross-platform 2D games with ease using DragonRuby Game Toolkit."
+description = "A free book about making 2D games with DragonRuby Game Toolkit."
 
 [output.html]
 git-repository-url = "https://github.com/DragonRidersUnite/book"
diff --git a/theme/head.hbs b/theme/head.hbs
new file mode 100644
index 0000000..fc1a0ef
--- /dev/null
+++ b/theme/head.hbs
@@ -0,0 +1,6 @@
+<meta property="og:title" content="{{chapter_title }} | {{ book_title }}">
+<meta property="og:type" content="book" />
+<meta property="og:image" content="https://book.dragonriders.community/img/cover.jpg" />
+<meta name="twitter:card" content="summary_large_image">
+<meta name="twitter:image:alt" content="Cover with red dragon icon and white background, which reads 'Building Games with DragonRuby: a comprehensive guide to shipping cross-platform guides with ease by Brett Chalupa and the Dragon Riders community'">
+