Danny Roth

Danny Roth is the author of more than 30 books on bridge and various other topics. Many of his mathematical puzzles have been published in the Sunday Times in London, and this collection brings those together with solutions, hints, and tips.

Danny Roth is the author of more than 30 books on bridge and various other topics. Many of his mathematical puzzles have been published in the Sunday Times in London, and this collection brings those together with solutions, hints, and tips. See less