diff --git a/README.md b/README.md
index c25611f5..9e59173d 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,8 @@ Wikisource export is a tool for exporting Wikisource page in many format like ep
 Installation
 ============
 
-You have only to download the files and use it with PHP 5.3 or more and for ODT export with XLS.
+You have to download the files and use it with PHP 5.3 or more and for ODT export with XLS.
+You have to create a temp folder in the root of directories.
 
 Composition
 ===========
diff --git a/book/Book.php b/book/Book.php
index eb0172a3..717320c7 100644
--- a/book/Book.php
+++ b/book/Book.php
@@ -48,4 +48,9 @@ class Book extends Page {
         * @type array
         */
         public $pictures = array();
+
+        /**
+        * list of contributors of the book array('PSEUDO' => array('flags' => array(), 'count' => integer))
+        */
+        public $credits = array();
 }
diff --git a/book/BookProvider.php b/book/BookProvider.php
index f3a3418b..2b02638a 100644
--- a/book/BookProvider.php
+++ b/book/BookProvider.php
@@ -91,7 +91,7 @@ public function get($title, $isMetadata = false) {
                                 $this->curl_async->waitForKey($keyCreditImage);
                         }
 
-                        $credit_html = $this->mergeCredit();
+                        $book->credits = $this->mergeCredit();
 
                 }
                 $book->pictures = $pictures;
@@ -271,10 +271,7 @@ protected function mergeCredit() {
                         }
                 }
                 uasort($credit, "cmp_credit");
-                $html = "<ul>\n";
-                foreach ($credit as $name => $value)
-                        $html .= "\t<li>" . $name . "</li>\n";
-                $this->book->credits_html = $html;
+                return $credit;
         }
 }
 
@@ -390,11 +387,14 @@ protected function deprecatedNodes($oldName, $newName, $style) {
                 $nodes = $this->xPath->query('//html:' . $oldName); //The getElementsByTagName doesn't find all tags
                 foreach($nodes as $oldNode) {
                         $newNode = $this->xPath->document->createElement($newName);
-                        foreach($oldNode->childNodes as $child){
+                        foreach($oldNode->childNodes as $child) {
                                 $newNode->appendChild($child);
                         }
-                        foreach($oldNode->attributes as $attrName => $attrNode) {
-                                $newNode->setAttribute($attrName, $attrNode);
+                        foreach($oldNode->attributes as $attribute) {
+                                if($attribute->name == 'value')
+                                        $newNode->nodeValue = $attribute->value;
+                                else
+                                        $newNode->setAttribute($attribute->name, $attribute->value);
                         }
                         $newNode->setAttribute('style', $style . ' ' . $newNode->getAttribute('style'));
                         $oldNode->parentNode->replaceChild($newNode, $oldNode);
diff --git a/book/Refresh.php b/book/Refresh.php
new file mode 100644
index 00000000..9463a962
--- /dev/null
+++ b/book/Refresh.php
@@ -0,0 +1,61 @@
+<?php
+/**
+* @author Thomas Pellissier Tanon
+* @copyright 2012 Thomas Pellissier Tanon
+* @licence http://www.gnu.org/licenses/gpl.html GNU General Public Licence
+*/
+
+class Refresh {
+
+        protected $lang = '';
+        protected $api = null;
+
+        public function refresh($lang = '') {
+                $this->api = new Api($lang);
+                $this->lang = $this->api->lang;
+
+                global $wsexportConfig;
+                if(@mkdir($wsexportConfig['tempPath'].'/'.$this->lang)) {}
+
+                $this->getI18n();
+                $this->getEpubCssWikisource();
+                $this->getAboutXhtmlWikisource();
+        }
+
+        protected function getI18n() {
+                global $wsexportConfig;
+                $ini = parse_ini_file($wsexportConfig['basePath'] . '/book/i18n.ini');
+                try {
+                        $response = $this->api->get('http://' . $this->lang . '.wikisource.org/w/index.php?title=MediaWiki:Wsexport_i18n.ini&action=raw&ctype=text/plain');
+                        $temp = parse_ini_string($response);
+                        if($ini != false)
+                                $ini = array_merge($ini, $temp);
+                } catch(Exception $e) {
+                }
+                $this->setTempFileContent('i18n', serialize($ini));
+        }
+
+        protected function getEpubCssWikisource() {
+                try {
+                        $content = $this->api->get('http://' . $this->lang . '.wikisource.org/w/index.php?title=MediaWiki:Epub.css&action=raw&ctype=text/css');
+                        if($content != '')
+                                $this->setTempFileContent('epub.css', $content);
+                } catch(Exception $e) {
+                }
+        }
+
+        protected function getAboutXhtmlWikisource() {
+                try {
+                        $content = $this->api->get('http://' . $this->lang . '.wikisource.org/w/index.php?title=MediaWiki:Wsexport_about&action=render');
+                        if($content != '')
+                                $this->setTempFileContent('about.xhtml', $content);
+                } catch(Exception $e) {
+                }
+        }
+
+        protected function setTempFileContent($name, $content) {
+                global $wsexportConfig;
+                return file_put_contents($wsexportConfig['tempPath'].'/'.$this->lang.'/'.$name, $content);
+        }
+}
+
diff --git a/book/formats/Epub2Generator.php b/book/formats/Epub2Generator.php
index 8861bcda..fa42ccf5 100644
--- a/book/formats/Epub2Generator.php
+++ b/book/formats/Epub2Generator.php
@@ -42,7 +42,7 @@ public function getMimeType() {
         * @todo images, cover, about...
         */
         public function create(Book $book) {
-                $css = $this->getCssWikisource($book->lang);
+                $css = $this->getTempFile($book->lang, 'epub.css');
                 $this->i18n = $this->getI18n($book->lang);
                 setLocale(LC_TIME, $book->lang . '_' . strtoupper($book->lang));
                 $wsUrl = wikisourceUrl($book->lang, $book->title);
@@ -58,6 +58,7 @@ public function create(Book $book) {
                 if($book->cover != '')
                         $zip->addContentFile('OPS/cover.xhtml', $this->getXhtmlCover($book));
                 $zip->addContentFile('OPS/title.xhtml', $this->getXhtmlTitle($book));
+                $zip->addContentFile('OPS/about.xhtml', $this->getXhtmlAbout($book));
                 $zip->addFile(dirname(__FILE__).'/images/Accueil_scribe.png', 'OPS/Accueil_scribe.png');
                 $zip->addContentFile('OPS/' . $book->title . '.xhtml', $book->content->saveXML());
                 if(!empty($book->chapters)) {
@@ -132,8 +133,8 @@ protected function getOpfContent(Book $book, $wsUrl) {
                                         }
                                         if($this->withCss)
                                                 $content.= '<item id="mainCss" href="main.css" media-type="text/css" />';
-                                        //$content.= '<item id="about" href="about.xhtml" media-type="application/xhtml+xml" /> //TODO: about...
-                                $content.= '</manifest>
+                                        $content.= '<item id="about" href="about.xhtml" media-type="application/xhtml+xml" />
+                                </manifest>
                                 <spine toc="ncx">';
                                         if($book->cover != '')
                                                 $content.= '<itemref idref="cover" linear="yes" />';
@@ -144,8 +145,8 @@ protected function getOpfContent(Book $book, $wsUrl) {
                                                         $content.= '<itemref idref="' . $chapter->title . '" linear="yes" />';
                                                 }
                                         }
-                                        //$content.= '<itemref idref="about" linear="no" />
-                                $content.= '</spine>
+                                        $content.= '<itemref idref="about" linear="yes" />
+                                </spine>
                                 <guide>';
                                         if($book->cover != '')
                                                 $content.= '<reference type="cover" title="' . $this->i18n['cover'] . '" href="cover.xhtml" />';
@@ -156,8 +157,8 @@ protected function getOpfContent(Book $book, $wsUrl) {
                                         if(isset($book->chapters[0])) {
                                                 $content.= '<reference type="text" title="' . $book->chapters[0]->name . '" href="' . $book->chapters[0]->title . '.xhtml" />';
                                         }
-                                        //$content.= '<reference type="copyright-page" title="' . $this->i18n['about'] . '" href="about.xml"/>
-                                $content.= '</guide>
+                                        $content.= '<reference type="copyright-page" title="' . $this->i18n['about'] . '" href="about.xhtml"/>
+                                </guide>
                         </package>';
                 return $content;
         }
@@ -193,13 +194,13 @@ protected function getNcxToc(Book $book) {
                                                          $order++;
                                                 }
                                         }
-                                        /* $content.= '<navPoint id="about" playOrder="' . $order . '">
+                                        $content.= '<navPoint id="about" playOrder="' . $order . '">
                                                 <navLabel>
                                                         <text>' . $this->i18n['about'] . '</text>
                                                 </navLabel>
                                                 <content src="about.xhtml"/>
-                                        </navPoint> */
-                                $content.= '</navMap>
+                                        </navPoint>
+                               </navMap>
                         </ncx>';
                 return $content;
         }
@@ -250,6 +251,27 @@ protected function getXhtmlTitle(Book $book) {
                 return $content;
         }
 
+        protected function getXhtmlAbout(Book $book) {
+                $list = '';
+                foreach($book->credits as $name => $value)
+                        $list .= '<li>' . $name . "</li>\n";
+                $about = $this->getTempFile($book->lang, 'about.xhtml');
+                if($about == '')
+                        $about = $list;
+                else
+                        $about = str_replace('{CONTRIBUTORS}', '<ul>'.$list.'</ul>', $about);
+                $content = '<?xml version="1.0" encoding="UTF-8" ?>
+                        <!DOCTYPE html>
+                        <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="' . $book->lang . '">
+                                <head>
+                                        <title>' . $this->i18n['about'] . '</title>
+                                        <meta http-equiv="Content-Type" content="application/xhtml+xml; charset=utf-8" />
+                                </head>
+                                <body>' . $about . '</body>
+                        </html>';
+                return $content;
+        }
+
         protected function encodeTitles(Book $book) {
                 $this->linksList[] = $book->title . '.xhtml';
                 foreach($book->chapters as $chapter) {
@@ -355,26 +377,26 @@ protected function setCssLink(DOMDocument $dom) {
                 $node->appendChild($link);
         }
 
-        protected function getCssWikisource($lang) {
-                try {
-                        $api = new Api($lang);
-                        return $api->get('http://' . $lang . '.wikisource.org/w/index.php?title=MediaWiki:Epub.css&action=raw&ctype=text/css');
-                } catch(Exception $e) {
+        protected function getTempFile($lang, $name) {
+                global $wsexportConfig;
+                $path = $wsexportConfig['tempPath'].'/'.$lang.'/'.$name;
+                if(file_exists($path))
+                        return file_get_contents($path);
+                else
                         return '';
-                }
         }
 
         protected function getI18n($lang) {
-                $ini = parse_ini_file(dirname(__FILE__) . '/i18n.ini');
-                try {
-                        $api = new Api($lang);
-                        $response = $api->get('http://' . $lang . '.wikisource.org/w/index.php?title=MediaWiki:Wsexport_i18n.ini&action=raw&ctype=text/plain');
-                        $temp = parse_ini_string($response);
-                        if($ini != false)
-                                $ini = array_merge($ini, $temp);
-                } catch(Exception $e) {
+                $content = $this->getTempFile($lang, 'i18n');
+                if($content == '') {
+                        global $wsexportConfig;
+                        include $wsexportConfig['basePath'].'/book/Refresh.php';
+                        $refresh = new Refresh();
+                        $refresh->refresh();
+                        return unserialize($this->getTempFile($lang, 'i18n'));
+                } else {
+                        return unserialize($content);
                 }
-                return $ini;
         }
 }
 
diff --git a/book/formats/i18n.ini b/book/i18n.ini
similarity index 99%
rename from book/formats/i18n.ini
rename to book/i18n.ini
index b7ba4db4..85303d2b 100644
--- a/book/formats/i18n.ini
+++ b/book/i18n.ini
@@ -2,3 +2,4 @@ title_page = "Title page"
 cover = "Cover"
 exported_from_wikisource_the = "Exported from Wikisource the %d"
 about = "About"
+
diff --git a/book/init.php b/book/init.php
index 62f08d3a..cb36c93a 100644
--- a/book/init.php
+++ b/book/init.php
@@ -4,6 +4,9 @@
 * @copyright 2011 Thomas Pellissier Tanon
 * @licence http://www.gnu.org/licenses/gpl.html GNU General Public Licence
 */
+global $wsexportConfig;
+$basePath = $wsexportConfig['basePath'];
+
 include($basePath . '/utils/utils.php');
 include($basePath . '/utils/HttpException.php');
 include($basePath . '/utils/Api.php');
diff --git a/http/book.php b/http/book.php
index dc21ddc7..b455d5f5 100644
--- a/http/book.php
+++ b/http/book.php
@@ -1,8 +1,18 @@
 <?php
-$basePath = '..';
+$wsexportConfig = array(
+        'basePath' => '..',
+        'tempPath' => '../temp'
+);
+
 include('../book/init.php');
 
 try {
+        if(isset($_GET['refresh'])) {
+                include $wsexportConfig['basePath'].'/book/Refresh.php';
+                $refresh = new Refresh();
+                $refresh->refresh();
+                exit();
+        }
         if(!isset($_GET['page']) || $_GET['page'] == '')
                 include 'help/book.php';
         $title = htmlspecialchars(urldecode($_GET['page']));