Series:

15 X 15 Pitstop

7 primary works

Book 3

Cover of 15 X 15 Sudoku - 250 X Diagonal Puzzles - Level Gold

Book 4

Cover of 15 X 15 Sudoku 250 Anti - Knight Puzzles - Level Bronze

Book 5

Cover of 15 X 15 Sudoku - 250 Anti - Knight Puzzles - Level Silver

Book 6

Cover of 15 X 15 Sudoku - 250 Anti - Knight Puzzles - Level Gold

Book 7

Cover of 15 x 15 Sudoku - 250 Hermit Puzzles - Level Bronze

Book 8

Cover of 15 X 15 Sudoku - 250 Hermit Puzzles - Level Silver

Book 9

Cover of Sudoku 15 X 15 - 250 Hermit Puzzles - Level Gold