Sudoku in 2011

Sudoku Elimination by Ranger, D. Jay

Will Shortz Presents Extreme Sudoku by

Poolside Sudoku by Longo, Frank

Will Shortz Presents Tricky Sudoku: 200 Easy to Hard Puzzles by

Will Shortz Presents Trickiest Sudoku: 200 Very Hard Puzzles by

New York Post Guppy Su Doku: 150 Easy to Medium Puzzles by None

New York Post Barracuda Su Doku: 150 Difficult Puzzles by None

New York Post Shark Su Doku: 150 Fiendish Puzzles by None

Will Shortz Presents Supreme Sudoku by

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

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

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 Dangerous Sudoku: 200 Very Hard Puzzles by

Will Shortz Presents Daring Sudoku: 200 Harder Puzzles by

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

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

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 III: Volume III 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

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

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

Vaki Puzzles 110 by Cullen, R. M.

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

New York Post Lethal Su Doku: 150 Fiendish Puzzles by None

New York Post Deadly Su Doku: 150 Difficult Puzzles by None

New York Post Toxic Su Doku: 150 Easy to Medium Puzzles 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

Will Shortz Presents Brain-Training Kenken: 100 Challenging Logic Puzzles That Make You Smarter by Kenken Puzzle LLC, Miyamoto, Tetsuya

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

Value Sudoku: Everything Edition by Bennett, Tommy

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

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