NAME

       Spreadsheet::ParseODS::Workbook - a workbook

   "->filename"
         print $workbook->filename;

       The name of the file if applicable.

   "->table_styles"
       The styles that identify whether a table is hidden, and other styles

   "->get_print_areas()"
           my $print_areas = $workbook->get_print_areas();
           # [[ [$start_row, $start_col, $end_row, $end_col], ... ]]

       The "->get_print_areas()" method returns the print areas of each sheet as an arrayref of
       arrayrefs. If a sheet has no print area, "undef" is returned for its print area.

   "->get_active_sheet()"
           my $sheet = $workbook->get_active_sheet();
           if( !$sheet ) {
               # If there is no defined active worksheet, take the first:
               ($sheet) = $workbook->worksheets();
           };

       Returns the active worksheet, or if there is no such sheet, returns "undef".

   "->worksheets()"
           my @sheets = $workbook->worksheets;

       Returns the list of worksheets as Spreadsheet::ParseODS::Worksheet objects.

   "->worksheet($name)"
           my $sheet1 = $workbook->worksheet('Sheet 1');

       Returns the worksheet with the given name, or if no such worksheet exists, returns
       "undef".