# File lib/spreadsheet/olewriter.rb, line 146
   def write_property_storage
      write_pps('Root Entry', 0x05,  1,   -2, 0x00)
      write_pps('Book',       0x02, -1, 0x00, @book_size)
      write_pps("",           0x00, -1, 0x00, 0x0000)
      write_pps("",           0x00, -1, 0x00, 0x0000)
   end