Book Logical Brain 400 Slitherlink Sudoku Project.: 12x12 Hard and Very Hard Levels. Holmes Presents a Book with Proven Classic Logic Puzzles. Journey with Numbers: "the Great Wall of China." (Plus 250 Sudoku and 250 Puzzles That Can Be Printed).
(Slitherlink Logic Puzzles, #8)
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Book Logical Brain 400 Slitherlink Sudoku Project.: 12x12 Hard and Very Hard Levels. Holmes Presents a Book with Proven Classic Logic Puzzles. Journey with Numbers: "the Great Wall of China." (Plus 250 Sudoku and 250 Puzzles That Can Be Printed).
(Slitherlink Logic Puzzles, #8)
