PuzzleBooks Press Sudoku 150+ Hard Puzzles Volume 37PuzzleBooks Press · First published 2019Open the Tome
PuzzleBooks Press Sudoku 160+ Expert Puzzles Volume 39PuzzleBooks Press · First published 2019Open the Tome
PuzzleBooks Press Sudoku 450+ Various Puzzles Volume 31PuzzleBooks Press · First published 2019Open the Tome
PuzzleBooks Press Sudoku 90 Various Puzzles Volume 47PuzzleBooks Press · First published 2019Open the Tome
PuzzleBooks Press Sudoku 150+ Various Puzzles Volume 3PuzzleBooks Press · First published 2018Open the Tome
PuzzleBooks Press Sudoku 360 Various Puzzles Volume 7PuzzleBooks Press · First published 2018Open the Tome
