100+ Extreme Sudoku Puzzles Volume 5Linda Robson, Lion Puzzle Lion Puzzle Books · First published 2017Open the Tome
100+ Hard Sudoku Puzzles Volume 4Linda Robson, Lion Puzzle Lion Puzzle Books · First published 2017Open the Tome
100+ Large Print Sudoku Puzzles Volume 1Linda Robson, Lion Puzzle Lion Puzzle Books · First published 2017Open the Tome
100+ Medium Sudoku Puzzles Volume 2Linda Robson, Lion Puzzle Lion Puzzle Books · First published 2017Open the Tome
Jigsaw Sudoku 400+ Hard Puzzles Volume 5Linda Robson, Lion Puzzle Lion Puzzle Books · First published 2017Open the Tome
Jigsaw Sudoku 400+ Very Easy Puzzles Volume 3Linda Robson, Lion Puzzle Lion Puzzle Books · First published 2017Open the Tome