my @book_pages = (

   { page_type => 'front_matter',
     content   => "This is the copyright page (::PAGENUM::).\n"
                . "::COPYRIGHT::\n"
                . "::PRINTING::\n" },

   { page_type => 'body',
     content   => "This is a body page (::PAGENUM::).\n" },

   { page_type => 'index', 
     content   => "This an index page (::PAGENUM::).\n" },
);