WordPress admin style table with sorting and pagination

wp_style_tables.php

<?php

if (!class_exists('WP_List_Table'))
{
    require_once( ABSPATH . 'wp-admin/includes/class-wp-list-table.php' );
}

class My_Example_List_Table extends WP_List_Table
{

    function __construct()
    {
        global $status, $page;

        parent::__construct(array(
            'singular' => __('book', 'mylisttable'), //singular name of the listed records
            'plural' => __('books', 'mylisttable'), //plural name of the listed records
            'ajax' => false        //does this table support ajax?
        ));
    }

    function column_default($item, $column_name)
    {
        return $item[$column_name];
    }

    function prepare_items($headers, $data, $sortable_columns = array(), $total_items = 100, $per_page = 5)
    {
        $columns = $headers;
        $hidden = array();
        $this->_column_headers = array($columns, $hidden, $sortable_columns);
        $this->items = $data;
        $this->set_pagination_args( array(
            'total_items' => $total_items,                  //WE have to calculate the total number of items
            'per_page'    => $per_page,                     //WE have to determine how many items to show on a page
            'total_pages' => ceil($total_items/$per_page)   //WE have to calculate the total number of pages
        ) );
    }

}
/**
 * In plugin class
 * 
 */
function listBinders()
{
    $content = array(
        array('ID' => 1, 'booktitle' => 'Quarter Share', 'author' => 'Nathan Lowell',
            'isbn' => '978-0982514542'),
        array('ID' => 2, 'booktitle' => '7th Son: Descent', 'author' => 'J. C. Hutchins',
            'isbn' => '0312384378'),
        array('ID' => 3, 'booktitle' => 'Shadowmagic', 'author' => 'John Lenahan',
            'isbn' => '978-1905548927'),
        array('ID' => 4, 'booktitle' => 'The Crown Conspiracy', 'author' => 'Michael J. Sullivan',
            'isbn' => '978-0979621130'),
        array('ID' => 5, 'booktitle' => 'Max Quick: The Pocket and the Pendant', 'author' => 'Mark Jeffrey',
            'isbn' => '978-0061988929'),
        array(' ID' => 6, 'booktitle' => 'Jack Wakes Up: A Novel', 'author' => 'Seth Harwood',
            'isbn' => '978-0307454355')
    );
    $headers = array(
        'booktitle' => __('Title', 'mylisttable'),
        'author' => __('Author', 'mylisttable'),
        'isbn' => __('ISBN', 'mylisttable'),
        'actions' => __('Actions')
    );
    $sortable_columns = array(
        'booktitle'     => array('booktitle',false),     //true means it's already sorted
        'author'    => array('author',false),
        'isbn'  => array('isbn',false)
    );
    $myListTable = new My_Example_List_Table();
    echo '</pre><div class="wrap"><h2>My List Table Test</h2>';
    $myListTable->prepare_items($headers, $content, $sortable_columns);
    $myListTable->display();
    echo '</div>';
}

}