diff --git a/README.md b/README.md
index ebb6e66..452f2f7 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@ See the examples for example usage. The php files have "some" doumentation in th
 ### Import
 Add this requirement to your `composer.json` file:
 ```json
-    "grandt/phpepub": ">=4.0.1"
+    "grandt/phpepub": ">=4.0.2"
 ```
 
 ### Composer
@@ -42,7 +42,7 @@ Once composer is installed you can create the `composer.json` file to import thi
 ```json
 {
     "require": {
-        "grandt/phpepub": ">=4.0.1",
+        "grandt/phpepub": ">=4.0.2",
         "php": ">=5.3.0"
     }
 }
diff --git a/REVISION.TXT b/REVISION.TXT
index 1b7259c..9d338da 100644
--- a/REVISION.TXT
+++ b/REVISION.TXT
@@ -1,4 +1,8 @@
 ---------------------------------------------------------------------
+Rev. 4.0.2 - 2015-09-15
+* Changed: Added function addFileToMETAINF to enable users to add the apple ibooks metadata.
+*   $book->addFileToMETAINF("com.apple.ibooks.display-options.xml", $xmldata);
+---------------------------------------------------------------------
 Rev. 4.0.1 - 2015-06-29
 * Changed: Included J. King's DrUUID library rather than using composer. The only available package remained in "dev" stability.
 *          http://jkingweb.ca/code/php/lib.uuid/
diff --git a/composer.json b/composer.json
index 44331f2..f5fa00c 100644
--- a/composer.json
+++ b/composer.json
@@ -5,7 +5,7 @@
     "keywords": ["epub", "e-book"],
     "homepage": "https://github.com/Grandt/PHPZip",
     "license": "LGPL-2.1",
-    "version": "4.0.1",
+    "version": "4.0.2",
     "minimum-stability": "stable",
     "authors": [
         {
diff --git a/src/PHPePub/Core/EPub.php b/src/PHPePub/Core/EPub.php
index eaeb7b6..3a2f0d4 100644
--- a/src/PHPePub/Core/EPub.php
+++ b/src/PHPePub/Core/EPub.php
@@ -868,6 +868,29 @@ function getMimeTypeFromExtension($ext) {
         return "application/octet-stream";
     }
 
+    /**
+     * Add a file to the META-INF directory.
+     * Bloody Apple and their bloody proprietary ways of doing things.
+     *
+     * @param string $fileName Filename to use for the file, must be unique for the book.
+     * @param string $fileData File data
+     *
+     * @return bool $success
+     */
+    function addFileToMETAINF($fileName, $fileData) {
+        if ($this->isFinalized) {
+            return false;
+        }
+        if (!$this->isInitialized) {
+            $this->initialize();
+        }
+        $fileName = $this->normalizeFileName($fileName);
+
+        $this->zip->addFile($fileData, "META-INF/" . $fileName);
+
+        return true;
+    }
+
     /**
      * Add dynamically generated data as a file to the book.
      *
diff --git a/tests/EPub.Example1.php b/tests/EPub.Example1.php
index c90e6ec..824e157 100644
--- a/tests/EPub.Example1.php
+++ b/tests/EPub.Example1.php
@@ -89,6 +89,7 @@
 $book->buildTOC(NULL, "toc", "Table of Contents", TRUE, TRUE);
 //    function buildTOC($cssFileName = NULL, $tocCSSClass = "toc", $title = "Table of Contents", $addReferences = TRUE, $addToIndex = FALSE, $tocFileName = "TOC.xhtml") {
 
+$book->addFileToMETAINF("com.apple.ibooks.display-options.xml", "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<display_options>\n    <platform name=\"*\">\n        <option name=\"fixed-layout\">true</option>\n        <option name=\"interactive\">true</option>\n        <option name=\"specified-fonts\">true</option>\n    </platform>\n</display_options>");
 
 $chapter1 = $content_start . "<h1>Chapter 1</h1>\n"
     . "<h2>Lorem ipsum</h2>\n"