Search Book...

  Use the Search Book...  menu item to search through the
  entire book open in the Topic window.

  Choose Search Book...  from the Search menu.  The      Search
  dialog box   appears.  Specify the word or phrase you want to
  locate, then click on Apply.

  Additional topics:

  *   Searching for Information

  *   Topic Window Menus and Buttons

  *   Using Menus, Controls, and Dialog Boxes

  *   Bookreader Help Topics