Sudoku in 2011

Sudoku Elimination by Ranger, D. Jay

Will Shortz Presents Extreme Sudoku by Shortz, Will

Poolside Sudoku by Longo, Frank

Will Shortz Presents Trickiest Sudoku: 200 Very Hard Puzzles by

Wsp Tricky Sudoku by Shortz, Will

Will Shortz Presents Supreme Sudoku by Shortz, Will

Quick Sudoku by Pitts, James

More Extreme Sudoku: 200 more of the toughest Sudoku puzzles known to man. (With their solutions.) by Alary, Antoine

Hawaiian Sudoku by Higa, Delwyn

The Times Su Doku Book 11: 150 challenging puzzles from The Times by The Times Mind Games

Sudoku Xtra Issue 13: The Logic Puzzle Brain Workout by Moore, Gareth

Sudoku Xtra Issue 14: The Logic Puzzle Brain Workout by Moore, Gareth

Sudoku Xtra Issue 15: The Logic Puzzle Brain Workout by Moore, Gareth

Will Shortz Presents Summertime Sudoku by Shortz, Will

Hex Sudoku Vol 001 by Kessler, Max

Pocket Posh Sudoku 9: 100 Puzzles by The Puzzle Society

WTF Sudoku Vol 001 by Kessler, Max

Sudoku 36x36 Vol II: Mind-blowing Puzzles for a Real Genius by Sarang, Sanket

Sudoku 9x9 Vol II: Volume II by Sarang, Sanket

Sudoku 9x9 Vol III: Volume III by Sarang, Sanket

Will Shortz Presents Daring Sudoku: 200 Harder Puzzles by

Will Shortz Presents Dangerous Sudoku: 200 Very Hard Puzzles by

Sudoku 25x25 Volume 3: Sudoku Xtra Specials by Moore, Gareth

Sudoku 9x9 Vol IV: Volume IV by Sarang, Sanket

Sudoku 9x9 Vol V: Volume V by Sarang, Sanket

Sudoku 16x16 Volume 3: Sudoku Xtra Specials by Moore, Gareth

Sudoku 18x18 Volume 1: Sudoku Xtra Specials by Moore, Gareth

Sudoku 15x15 Volume 1: Sudoku Xtra Specials by Moore, Gareth

Sudoku Solution by Scaff, Mitch

Sudoku 3: Hard to Extreme: 200 Puzzles: Hard to Extreme by Pitkow, Xaq

Sudoku 25x25 Vol III: Volume III by Sarang, Sanket

Sudoku 25x25 Vol IV: Volume IV by Sarang, Sanket

Sudoku 25x25 Vol V: Volume V by Sarang, Sanket

Sudoku 16x16 Vol IV: Volume IV by Sarang, Sanket

Sudoku 36x36 Vol III: Mind-blowing Puzzles for a Real Genius by Sarang, Sanket

Sudoku 36x36 Vol V: Mind-blowing Puzzles for a Real Genius by Sarang, Sanket

Sudoku 16x16 Vol III: Volume III by Sarang, Sanket

Sudoku 36x36 Vol IV: Mind-blowing Puzzles for a Real Genius by Sarang, Sanket

Vaki Puzzles - Issue 2 by Cullen, R. M.

Vaki Puzzles 110 by Cullen, R. M.

Sudoku 16x16 Vol V: Volume V by Sarang, Sanket

New York Post Toxic Su Doku by None

New York Post Deadly Su Doku by None

NY Post Lethal Su Doku PB by None

The Must Have 2012 Sudoku Puzzle Book: 366 Sudoku Puzzle Games to challenge you every day of the year. Randomly distributed and ranked from quick thro by Bloom, Jonathan

Easy Sudoku Logic Puzzles, Vol 1 by Smith, T. P.

Perplexing Sudoku-by5 Logic Puzzles, Vol 1 by Smith, T. P.

Difficult Sudoku-by5 Logic Puzzles, Vol 1 by Smith, T. P.

Beyond Black Belt Sudoku by Longo, Frank

Revenge of Killer Sudoku 5: 150 puzzles by Ape, Dj

Will Shortz Presents Sudoku for Christmas: 300 Easy to Hard Puzzles by

Sudoku 16x16 Volume 4: Sudoku Xtra Specials by Moore, Gareth

Tredoku: 3-D Puzzles Based on the Rules of Classic Sudoku by Mindome Ltd

daily telegraph sudoku 9 by Telegraph Group Limited

Wsp Brain Training Kenken by Shortz, Will

Sudoku 25x25 Volume 4: Sudoku Xtra Specials by Moore, Gareth

Value Sudoku: Everything Edition by Bennett, Tommy

Sudoku 20x20 Volume 1: Sudoku Xtra Specials by Moore, Gareth

Your Own Game Grids: For Sudoku Lovers by Taylor, Woody