1 files changed, 7 insertions, 1 deletions
diff --git a/lib/json/encodeBook.js b/lib/json/encodeBook.js
index 6c1b023..3bbbe0f 100644
--- a/lib/json/encodeBook.js
+++ b/lib/json/encodeBook.js
@@ -1,3 +1,5 @@
+var gitbook = require('../gitbook');
+
 var encodeSummary = require('./encodeSummary');
 var encodeGlossary = require('./encodeGlossary');
 var encodeReadme = require('./encodeReadme');
@@ -12,7 +14,11 @@ function encodeBookToJson(book) {
     return {
         summary: encodeSummary(book.getSummary()),
         glossary: encodeGlossary(book.getGlossary()),
-        readme: encodeReadme(book.getReadme())
+        readme: encodeReadme(book.getReadme()),
+        gitbook: {
+            version: gitbook.version,
+            time: gitbook.START_TIME
+        }
     };
 }