Penguin Pocket Sudoku (Penguin Pocket Books) By David J. Bodycombe

Perfect Pocket Puzzles: Sudoku

Sudoku Pocket Medium to Hard 200 Puzzles: Compact Size, Travel-Friendly Sudoku Puzzle Book with 200 Medium to Hard Problems and Solutions

Sudoku Hard to Extremely Hard Challenging Levels: 100 Puzzles Book For Sudoku Killer, 1 Game Per Page, Brain Training Game, Logical Thinking, Pocket Size

Pocket Puzzles Sudoku Unwrapped with Candidates: Sudoku in 3D

Sudoku Puzzle Book

Big Sudoku Book for Adults: 1000+ Medium to Hard Puzzles

The Mammoth Book of Sudoku 1 : Over 250 Pages of Puzzling Fun

Big and Easy Sudoku Puzzles (Big and Easy Activity Books)

The Mammoth Book of Sudoku 2 : Over 250 Pages of Puzzling Fun

Sudoku Puzzle Book for Adults: 100 Hard Puzzles with Solutions for Experienced Players

Sudoku Puzzle Book with Solutions for Adults | Large Print: Two Puzzles Per Page. From Easy to Hard Levels. Big Font for Easy Reading and Solving.

Sudoku Puzzle Book: 220+ Sudoku Puzzles from Easy to Very Hard for adults

Big Book of Su Doku Book 1: a bumper sudoku book for adults cont

1000 Sudoku Books for Adults Hard to Expert Large Print: Puzzles with Solutions, Activity Book for Adults and Seniors.

Sudoku Puzzle Book for Adults: 1000+ Easy, Medium & Hard Puzzles with Solutions

Sudoku Puzzles for Adults: A Book with Two Puzzles per Page From Easy to Hard with Full Solutions (Large Print Soduku Books for adults)

Sudoku Puzzle Book for Adults: 500+ Puzzles - Medium & Hard with Full Solutions

Sudoku Puzzle Book for Adults: 500+ Puzzles – Easy & Medium with Full Solutions

Big Sudoku Puzzle Book - 1300 Puzzles - Easy, Medium, Hard & Extreme With Solutions: Huge Sudoku Puzzle Book, Ultimate Sudoku Book for Adults Easy to Hard

The Kids' Book of Sudoku 1 (Buster Puzzle Books),Alastair Chisholm

Sudoku 555 Puzzles Easy to Expert: Easy, Medium, Hard, Very Hard, and Expert Level Sudoku Puzzle Book For Adults (Puzzles & Games for Adults)

The Kids' Book of Sudoku 2 (Buster Puzzle Books) By Alastair Chisholm