public function saveBook($book, $inputFormat, $outputFormat)
 {
     $this->security->checkLoggedIn();
     // The book Controller will check if has permission depending on the bookId
     // Here we cannot see the book id.. its inside $book !
     $bookController = new BookController();
     // Do security checks and save the book
     return $bookController->saveBook($book, $inputFormat, $outputFormat);
 }