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Black Belt Sudoku® by Michael Rios

Prices as of October 2, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Macy's price tracker

14-day low
$11.99
Sep 19 · Macy's
Best price
$11.99
−0% vs high
14-day high
$11.99
All stores

Today's best price is the lowest AskPrice has recorded · tracked since Nov 2024.

$12$12$12
Sep 19Oct 2
  • Macy's
Price has held at $11.99 for the past 14 days.

About this product

Black Belt Sudoku® by Michael Rios is a paperback puzzle book featuring challenging Sudoku grids designed for expert-level solvers. Published in the United States by Puzzlewright, this 192-page book uses a belt-ranking system inspired by Japanese karate to indicate difficulty, with black belt representing the highest level. The puzzles are intended for adults and offer an engaging mental exercise suitable for leisure time at home, during commutes, or at lunch breaks. Solving one puzzle often leads to solving more due to the addictive nature of the game.

  • Expert-level puzzles
  • Paperback format
  • Published 2005
  • Sudoku challenge book
  • For adult solvers

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Black Belt Sudoku® by Michael Rios — Price Tracker & History