Menu callback: Prints a listing of all books.
string A HTML-formatted string with the listing of all books content.
function book_render() {
$book_list = array();
foreach (book_get_books() as $book) {
$book_list[] = l($book['title'], $book['href'], $book['options']);
}
return theme('item_list', array(
'items' => $book_list,
));
}