Charcoal DrawingElizabeth Haven Appleton, Michael W. Gioffredi, Karl Robert · First published 2019Open the Tome
Even-Odd Sudoku 10x10 Easy to EvilMichael W. Gioffredi, iSolvePuzzles Staff · First published 2019Open the Tome
Center-Dot Sudoku Easy to EvilMichael W. Gioffredi, iSolvePuzzles Staff · First published 2018Open the Tome
Even-Odd Sudoku 6x6 Easy to EvilMichael W. Gioffredi, iSolvePuzzles Staff · First published 2018Open the Tome
Even-Odd Sudoku 8x8 Easy to EvilMichael W. Gioffredi, Isolvepuzzles · First published 2018Open the Tome
Even-Odd Sudoku Easy to EvilMichael W. Gioffredi, iSolvePuzzles Staff · First published 2018Open the Tome
Hypersudoku Easy to EvilMichael W. Gioffredi, iSolvePuzzles Staff · First published 2018Open the Tome
Xtreme Sudoku 6x6 Easy to EvilMichael W. Gioffredi, iSolvePuzzles Staff · First published 2018Open the Tome
Xtreme Sudoku 8x8 Easy to EvilMichael W. Gioffredi, iSolvePuzzles Staff · First published 2018Open the Tome
Xtreme Sudoku Easy to EvilMichael W. Gioffredi, iSolvePuzzles Staff · First published 2018Open the Tome
