Series:

The Active Brain

10 primary works

Book 3

Cover of 500 Hard Sudoku Puzzles

500 Hard Sudoku Puzzles

by T K Lee

Published 13 May 2016

Book 4

Cover of 500 Extra Hard Sudoku Puzzles

500 Extra Hard Sudoku Puzzles

by T K Lee

Published 13 May 2016

Book 5

Cover of Large Print Sudoku

Large Print Sudoku

by T K Lee

Published 16 May 2016

Book 6

Cover of 600 Sudoku Puzzles, Easy and Medium

Book 7

Cover of 600 Sudoku Puzzles, Medium and Hard

Book 13

Cover of 800 Easy Sudoku Puzzles To Keep Your Brain Active For Hours

Book 19

Cover of Sudoku 1200 Medium Puzzles

Sudoku 1200 Medium Puzzles

by T K Lee

Published 15 June 2016

Book 20

Cover of Sudoku 1200 Hard Puzzles

Sudoku 1200 Hard Puzzles

by T K Lee

Published 15 June 2016

Book 21

Cover of Sudoku 1200 Extra Hard Puzzles

Sudoku 1200 Extra Hard Puzzles

by T K Lee

Published 17 June 2016

Book 24

Cover of Sudoku

Sudoku

by T K Lee

Published 14 June 2016