diff --git a/atlas.json b/atlas.json
index 08636b80..c65d8d01 100644
--- a/atlas.json
+++ b/atlas.json
@@ -39,7 +39,7 @@
     }
   },
   "theme": "oreillymedia/animal_theme_sass",
-  "title": "Mastering Bitcoin",
+  "title": "Mastering Bitcoin Third Edition",
   "print_isbn13": "9781491954386",
   "templating": false,
   "lang": "en",