diff --git a/src/common/kiwix/library.cpp b/src/common/kiwix/library.cpp
index 0b6618b1e..0b4baa1a2 100644
--- a/src/common/kiwix/library.cpp
+++ b/src/common/kiwix/library.cpp
@@ -36,7 +36,8 @@ namespace kiwix {
     url(""),
     articleCount(""),
     mediaCount(""),
-    readOnly(false) {
+    readOnly(false),
+    size("") {
   }
   
   /* Destructor */
diff --git a/src/common/kiwix/library.h b/src/common/kiwix/library.h
index a2a61cba2..8cd45e304 100644
--- a/src/common/kiwix/library.h
+++ b/src/common/kiwix/library.h
@@ -25,7 +25,7 @@
 #include <string>
 #include <vector>
 
-#define KIWIX_LIBRARY_VERSION "20110503"
+#define KIWIX_LIBRARY_VERSION "20110512"
 
 using namespace std;
 
@@ -55,6 +55,7 @@ namespace kiwix {
     string articleCount;
     string mediaCount;
     bool readOnly;
+    string size;
   };
 
   class Library {
diff --git a/src/common/kiwix/manager.cpp b/src/common/kiwix/manager.cpp
index 81d9b869d..033df35d5 100644
--- a/src/common/kiwix/manager.cpp
+++ b/src/common/kiwix/manager.cpp
@@ -57,6 +57,7 @@ namespace kiwix {
 	book.url = bookNode.attribute("url").value();
 	book.articleCount = bookNode.attribute("articleCount").value();
 	book.mediaCount = bookNode.attribute("mediaCount").value();
+	book.size = bookNode.attribute("size").value();
 
 	/* Update the book properties with the new importer */
 	if (libraryVersion.empty() || atoi(libraryVersion.c_str()) < atoi(KIWIX_LIBRARY_VERSION)) {
@@ -134,7 +135,9 @@ namespace kiwix {
 	
 	if (itr->mediaCount != "")
 	  bookNode.append_attribute("mediaCount") = itr->mediaCount.c_str();
-	
+
+	if (itr->size != "")
+	  bookNode.append_attribute("size") = itr->size.c_str();
       }
     }
 
@@ -184,6 +187,14 @@ namespace kiwix {
       std::ostringstream mediaCountStream;
       mediaCountStream << reader.getMediaCount();
       book.mediaCount = mediaCountStream.str();
+      
+      struct stat filestatus;
+      stat( path.c_str(), &filestatus );
+      unsigned int size = filestatus.st_size / 1024;
+      char csize[42];
+      sprintf (csize, "%u", size);
+      book.size = csize;
+
     } catch (...) {
       return false;
     }
diff --git a/src/common/kiwix/manager.h b/src/common/kiwix/manager.h
index c801c456f..63343b688 100644
--- a/src/common/kiwix/manager.h
+++ b/src/common/kiwix/manager.h
@@ -20,12 +20,17 @@
 #ifndef KIWIX_MANAGER_H
 #define KIWIX_MANAGER_H
 
-#include <kiwix/library.h>
-#include <kiwix/reader.h>
 #include <string>
 #include <sstream>
-#include <stdio.h>
 #include <time.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/stat.h>
+
+#include <kiwix/library.h>
+#include <kiwix/reader.h>
 
 using namespace std;