diff --git a/classes/ComicPress.inc b/classes/ComicPress.inc
index 8b22393..2b3e18c 100644
--- a/classes/ComicPress.inc
+++ b/classes/ComicPress.inc
@@ -24,6 +24,7 @@ class ComicPress {
   var $category_tree = array();
   
   var $partial_paths = array();
+  var $layouts = null;
   
   /**
    * Load ComicPress options.
@@ -360,14 +361,24 @@ class ComicPress {
   function _file_get_contents($file) { return file_get_contents($file); }
   
   function get_layout_choices() {
-    $layouts = array();
-    foreach ($this->_glob(get_template_directory() . '/layouts/*') as $file) {
-      $content = $this->_file_get_contents($file); 
-      if (preg_match('#/\*.*Layout Name: ([^\n]+).*\*/#s', $content, $matches) > 0) {        
-        $layouts[pathinfo($file, PATHINFO_BASENAME)] = $matches[1];
+    if (!is_array($this->layouts)) {
+      $this->layouts = array();
+      foreach ($this->_glob(get_template_directory() . '/layouts/*') as $file) {
+        $content = $this->_file_get_contents($file); 
+        $basename = pathinfo($file, PATHINFO_BASENAME);
+        foreach (array(
+          "Layout Name", "Sidebars"
+        ) as $field) {
+          if (preg_match('#/\*.*' . $field . ': ([^\n]+).*\*/#s', $content, $matches) > 0) {            
+            if (!is_array($this->layouts[$basename])) {
+              $this->layouts[$basename] = array(); 
+            }
+            $this->layouts[$basename][$field] = $matches[1];
+          }          
+        }
       }
     }
-    return $layouts;
+    return $this->layouts;
   }
 }
 
diff --git a/test/ComicPressTest.php b/test/ComicPressTest.php
index 8f976b2..d077992 100644
--- a/test/ComicPressTest.php
+++ b/test/ComicPressTest.php
@@ -192,10 +192,14 @@ FILE
           'layout.php' => <<<FILE
 /*
 Layout Name: Test
+Sidebars: left,right
 */ 
 FILE
         ),
-        array('layout.php' => 'Test')
+        array('layout.php' => array(
+          'Layout Name' => 'Test',
+          'Sidebars' => 'left,right',
+        ))
       ),
     );
   }