- 400 CalcuDoku MEDIUM puzzles 9 x 9 + BONUS 250 classic sudoku: Sudoku medium puzzles and classic Sudoku 9x9 very hard levels
- 400 KAKURO 13 x 13 + 14 x 14 + 15 x 15 + 16 x 16 best puzzles + BONUS + surprise: Holmes presents to your attention the excellent, proven sudoku. Format 8.5 '' x 11 ''
- 400 classic Killer sudoku 9 x 9 EASY - MEDIUM + BONUS 250 Hidoku puzzles: Sudoku with Easy, Medium levels puzzles and a Hidoku 9 x 9 very hard levels (Killer classic sudoku 9 x 9)
- Tridoku Sudoku. Very hard level.: 400+ collection puzzles. Holmes presents a book for keeping the brain in excellent shape. (plus 250 sudoku and 250 ... that can be printed). (Tridoku logic puzzle)
- 400 Chain Hard - Very Hard Classic Puzzles 9 X 9 + Bonus 250 Veteran Sudoku: Holmes Is a Perfectly Compiled Sudoku Book. Master of Puzzles Chain Sudoku. Hard






























