Index: s5_book.module
===================================================================
--- s5_book.module	(revision 1366)
+++ s5_book.module	(working copy)
@@ -141,7 +141,6 @@
  * Flattens the book structure, immediately closing slides for every node
  */
 function s5_book_node_display($node, $depth, $nid) {
-
   // Let the content hook take action (taken from book.module)
   if (node_hook($node, 'content')) {
     $node = node_invoke($node, 'content');
@@ -149,8 +148,17 @@
 
   // Enclose slide in wrapper (you can have handout info on slide)
   if ($node->body) {
-    return '<div class="slide"><h1>'. check_plain($node->title) ."</h1>\n".
-              $node->body .'</div>'; 
+    // Allow multiple slides per node
+    $slides = explode(variable_get('s5_textfield_page_separator', '<!--pagebreak-->'), $node->body); 
+    foreach ($slides as $slide) {
+      list($title, $body) = explode(variable_get('s5_textfield_title_separator', '<!-titlebreak-->'), $slide);
+      if ($title && $body)
+        $output .= '<div class="slide"><h1>'. check_plain($title) ."</h1>\n". $body .'</div>';
+      else
+        $output .= '<div class="slide"><h1>'. check_plain($node->title) ."</h1>\n". $slide .'</div>';
+    }
+
+    return $output;
   }
 }