Classic Grids. Unexpected Twists.

166 puzzles, from classic grids to twists, getting trickier as you go.

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Classic Grids. Unexpected Twists.

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  • Star
  • Big
  • Jigsaw
  • Twin
  • Other numerals

Classic

Fill every empty cell so each row, column and 3×3 box holds 1 to 9 once.

Killer

The digits in a dashed cage add up to the small number and never repeat.

Samurai

Five overlapping 9×9 grids. The middle one shares a corner box with each of the four outer ones.

Circle

Nine rings, nine spokes, nine sections. Each one holds 1 to 9 exactly once.

And more

Six kinds of grids, a bonus chapter and 166 puzzles in all.

SUDOKU vol. I

First edition · November 2026

  • 166 puzzles in three levels: easy, medium and hard, plus 10 bonus puzzles
  • Six kinds of grids: Classic, Star, Killer, Samurai, Circle and Big
  • A bonus chapter with Jigsaw, Twin and classic grids in other numerals
  • A short how-to-play guide and full solutions for every puzzle

Look inside

Real pages from the book, one puzzle to a page, with solutions for every puzzle at the back.

Page 8 of the book: Classic Sudoku, puzzle 1, easy.
Page 11 of the book: Killer Sudoku, puzzle 4, easy, with dashed cages and their sums.
Page 12 of the book: Samurai Sudoku, puzzle 5, easy, five overlapping grids.
Page 13 of the book: Big Sudoku, puzzle 6, easy, a 16 by 16 grid.
Page 20 of the book: Circle Sudoku, puzzle 13, easy, nine rings and nine sections.

About

Krasi's Sudoku makes puzzle books for people who already love the grid. Vol. I mixes classic Sudoku with five twists, from Killer to Samurai, plus a bonus chapter. It is published independently by Niclas Krasenbrink.

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