53151124
9781729066829
Basford Holmes is the author of 'Сlassic 400 + Killer Easy levels sudoku 12 x 12: Holmes presents a logical puzzle book with proven Sudoku. Easy level Sudoku book. (plus 250 sudoku ... and printed). (Killer classic Sudoku 12x12)', published 2018 under ISBN 9781729066829 and ISBN 1729066828.
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