Sudoku 365 Hard large Format: challenging puzzles in 8.5x11 format Two well spaced grids per page for adults and experienced solvers (sudoku experts)

Sudoku 365 easy large Format: puzzles in 8.5x11 format Two clear grids...

Sudoku 365 Extreme large Format: challenges in 8.5x11 format Two intense grids...

Sudoku 365 medium Large Format: difficulty in 8.5x11 format Two structured puzzles...

Sudoku 365 Mixed Large Format: puzzles from easy to hard in 8.5x11...