You are looking at the HTML representation of the XML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query-continue>
    <allimages gaifrom="Mt logo 09.png" />
  </query-continue>
  <query>
    <pages>
      <page pageid="14" ns="6" title="File:Books-aj.svg aj ashton 01e.png" />
      <page pageid="13" ns="6" title="File:Logo book2.png" />
      <page pageid="47" ns="6" title="File:Mt logo 01.png" />
      <page pageid="48" ns="6" title="File:Mt logo 02.png" />
      <page pageid="49" ns="6" title="File:Mt logo 03.png" />
      <page pageid="50" ns="6" title="File:Mt logo 04.png" />
      <page pageid="51" ns="6" title="File:Mt logo 05.png" />
      <page pageid="52" ns="6" title="File:Mt logo 06.png" />
      <page pageid="53" ns="6" title="File:Mt logo 07.png" />
      <page pageid="54" ns="6" title="File:Mt logo 08.png" />
    </pages>
  </query>
</api>