Sample plugin for usage of WP_List_Table class (basic version)

testlisttable.php

<?php
/*
Plugin Name: Test List Table Example
*/

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 {

    var $example_data = 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' )
        );
    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 ) {
    switch( $column_name ) { 
        case 'booktitle':
        case 'author':
        case 'isbn':
            return $item[ $column_name ];
        default:
            return print_r( $item, true ) ; //Show the whole array for troubleshooting purposes
    }
  }

function get_columns(){
        $columns = array(
            'booktitle' => __( 'Title', 'mylisttable' ),
            'author'    => __( 'Author', 'mylisttable' ),
            'isbn'      => __( 'ISBN', 'mylisttable' )
        );
         return $columns;
    }
function prepare_items() {
  $columns  = $this->get_columns();
  $hidden   = array();
  $sortable = array();
  $this->_column_headers = array( $columns, $hidden, $sortable );
  $this->items = $this->example_data;;
}

} //class


function my_add_menu_items(){
    add_menu_page( 'My Plugin List Table', 'My List Table Example', 'activate_plugins', 'my_list_test', 'my_render_list_page' );
}
add_action( 'admin_menu', 'my_add_menu_items' );

function my_render_list_page(){
  $myListTable = new My_Example_List_Table();
  echo '</pre><div class="wrap"><h2>My List Table Test</h2>'; 
  $myListTable->prepare_items(); 
  $myListTable->display(); 
  echo '</div>'; 
}