index.phtml

<table class="datagrid grid_collapsible" width="100%" cellpadding="2" cellspacing="0" id="webbooks_table">

  <thead>
    <tr class="datagrid_header">
      <td>Book title</td>
      <td>ID</td>
      <td>ISBN</td>
      <td>Is it visible online?</td>
    </tr>
  </thead>

  <tbody>
<?php foreach($this->basicBwDetails as $result): ?>
    <tr>
      <td><?php echo $result['book_title']; ?></td>
      <td><?php echo $result['id']; ?></td>
      <td><?php echo $result['isbn']; ?></td>
      <td><?php echo ($result['visible_online']) ? 'Yes' : 'No'; ?></td>
    </tr>
<?php endforeach; ?>
  </tbody>

</table>