I'm just curious... how come some of your books are available on pdf, but others aren't? I'd love to buy more pdf's, even of books that I already have print copies of. http://www.sudokuxtra.com/forum/read.php?2,1640,1640#msg-1640 Wed, 17 Jun 2026 19:51:47 +0100 Phorum 5.2.19 http://www.sudokuxtra.com/forum/read.php?2,1640,1642#msg-1642 http://www.sudokuxtra.com/forum/read.php?2,1640,1642#msg-1642 Hungry1 Sudoku Xtra Discussion Forum Tue, 23 Dec 2014 19:14:38 +0000 http://www.sudokuxtra.com/forum/read.php?2,1640,1641#msg-1641 http://www.sudokuxtra.com/forum/read.php?2,1640,1641#msg-1641 gareth Sudoku Xtra Discussion Forum Sat, 20 Dec 2014 00:13:31 +0000 http://www.sudokuxtra.com/forum/read.php?2,1640,1640#msg-1640 http://www.sudokuxtra.com/forum/read.php?2,1640,1640#msg-1640 Hungry1 Sudoku Xtra Discussion Forum Fri, 19 Dec 2014 20:09:47 +0000