To change the order of wiki pages in your book, simply move the pages in the list. To do so, hover over the page title to move, click and drag it to the new location. Release the mouse button to finish moving the page to its new location.
Format of stored book pages: when you save a book, it is stored in the format shown below.
====== MyBookName ====== * [[:first_pages]] * [[:second_page]] * [[:namespace:third_page]] * ..... * [[:last_page]]