EXTREME SUDOKU

Two page layouts for a demanding 9×9 challenge

Both editions are intended for players already comfortable with Sudoku. Choose by puzzle count and by how much room you want for reading digits and writing candidate notes.

Choose your edition

Every book compared here is devoted to extreme 9×9 puzzles.

CLASSIC EDITION

360 9×9 puzzles

Four puzzles per page for a dense volume of challenges. Complete solutions appear at the end.

View the classic edition →

Cover of Classic Extreme Sudoku, volume 1

LARGE-PRINT EDITION

180 9×9 puzzles

Two puzzles per page leave more room for digits and notes without changing the challenge level.

View the large-print edition →

Cover of the French large-print Extreme Sudoku volume

Compare the Extreme editions

Both books contain extreme 9×9 puzzles and include complete solutions.
Feature	Classic	Large print
Puzzle count	360	180
Puzzles per page	4	2
Book size	8.5 × 11 inches	8.5 × 11 inches
Choose it when…	you want more puzzles in one volume	you want larger digits and cells

Improve your solving method

Before choosing, read about extreme Sudoku techniques or what makes a printed grid easier to read.