diff --git a/NetBiblio.php b/NetBiblio.php
index 893c2f8..c717c27 100644
--- a/NetBiblio.php
+++ b/NetBiblio.php
@@ -527,24 +527,34 @@ class NetBiblio extends WebService
         return AudioBook::inReading();
     }
 
-    public function LastBooksByType($type, $itemsByGroup)
+    /**
+     * This method is used by the iOS application to retrieve the last
+     * books for a given Genre. It may receives the genre 'Jeunesse' which
+     * is a boolean value on Solr documents.
+     *
+     * @param $genre
+     * @param $number
+     * @return array
+     * @throws WebException
+     */
+    public function LastBooksByType($genre, $number)
     {
         $this->CheckSession();
 
         $s = new BookSearch();
-        if($type == 'Jeunesse') {
+        if($genre == 'Jeunesse') {
             $s->addQuery(1, 'jeunesse');
         } else {
-            $s->addQuery($type, 'genre');
+            $s->addQuery($genre, 'genre');
         }
         $s->addSortField('availabilityDate');
 
-        $results = $s->getResults(0, $itemsByGroup);
+        $results = $s->getResults(0, $number);
         $books = $this->AddBookData($results['books']);
 
         $data = array();
         foreach($books as $b) {
-            $data[$type][] = $b;
+            $data[$genre][] = $b;
         }
         return $data;
     }