106 books • 11 series
Book #1: 100 Crossword Puzzles Vol. 1
Book #2: 100 Crossword Puzzles Vol. 2
Book #3: 100 Crossword Puzzles Vol. 3
Book #4: 100 crossword puzzles Vol. 4
Book #5: 100 Crossword Puzzles Vol. 5
Book #2: Alpha Sudoku in the Medium Vol. 2
Book #3: Alpha Sudoku In The Medium Vol. 3
Book #4: Alpha Sudoku In The Medium Vol. 4
Book #5: Alpha Sudoku In The Medium Vol. 5
Book #6: Alpha Sudoku In The Medium Vol. 6
Book #1: Alpha Sudoku To The Extreme Vol. 1
Book #2: Alpha Sudoku to the Extreme Vol. 2
Book #4: Alpha Sudoku To The Extreme Vol. 4
Book #5: Alpha Sudoku To The Extreme Vol. 5
Book #6: Alpha Sudoku To The Extreme Vol. 6
Book #1: An Easy Alpha Sudoku Vol. 1
Book #3: An Easy Alpha Sudoku Vol. 3
Book #4: Easy Does It Alpha Sudoku Vol. 4
Book #5: Easy Does It Alpha Sudoku Vol. 5
Book #6: Easy Does It Alpha Sudoku Vol. 6
Book #7: Easy Does It Alpha Sudoku Vol. 7
Book #8: Easy Does It Alpha Sudoku Vol. 8
Book #2: Easy Does It Sudoku Vol. 2
Book #3: Easy Does It Sudoku Vol. 3
Book #4: Easy Does It Sudoku Vol. 4
Book #5: Easy Does It Sudoku Vol. 5
Book #6: Easy Does It Sudoku Vol. 6
Book #5: A Good Alpha Hardy Sudoku Vol. 5
Book #2: A Good Hardy Alpha Sudoku Vol. 2
Book #3: A Good Hardy Alpha Sudoku Vol. 3
Book #4: A Good Hardy Alpha Sudoku Vol. 4
Book #6: A Good Hardy Alpha Sudoku Vol. 6
Book #7: A Good Hardy Alpha Sudoku Vol. 7
Book #1: A Good Hardy Sudoku Vol. 1
Book #2: A Good Hardy Sudoku Vol. 2
Book #3: A Good Hardy Sudoku Vol. 3
Book #4: A Good Hardy Sudoku Vol. 4
Book #5: A Good Hardy Sudoku Vol. 5
Book #1: Sudoku In The Medium Vol. 1
Book #2: Sudoku In The Medium Vol. 2
Book #3: Sudoku In The Medium Vol. 3
Book #4: Sudoku In The Medium Vol. 4
Book #5: Sudoku In The Medium Vol. 5
Book #1: Sudoku To The Extreme Vol. 1
Book #2: Sudoku To The Extreme Vol. 2
Book #3: Sudoku To The Extreme Vol. 3
Book #4: Sudoku To The Extreme Vol. 4
Book #6: Sudoku To The Extreme Vol. 6