Sergii Tolmachov

Slitherlink - 300 Medium Puzzles 7x7 (Volume 2)

Kenken - 300 Easy Puzzles 4x4 (Volume 8)

Kenken - 300 Hard Puzzles 4x4 (Volume 10)

Kenken - 300 Medium Puzzles 4x4 (Volume 9)

Kenken - 250 Easy Puzzles 3x3 (Volume 7)

Kenken - 250 Hard Puzzles 9x9 (Volume 6)

Masyu - 250 Medium to Hard Puzzles 15x10 (Volume 8)

Masyu - 250 Easy to Medium Puzzles 15x10 (Volume 7)

Masyu - 400 Easy to Medium Puzzles 10x10 (Volume 3)

Masyu - 400 Medium to Hard Puzzles 10x12 (Volume 6)

Masyu - 400 Medium to Hard Puzzles 10x10 (Volume 4)

Masyu - 400 Easy to Medium Puzzles 10x12 (Volume 5)

Kenken - 250 Hard Puzzles 6x6 (Volume 3)

Kenken - 250 Hard Puzzles 7x7 (Volume 4)

Kenken - 250 Medium Puzzles 6x6 (Volume 2)

Kenken - 250 Hard Puzzles 8x8 (Volume 5)

Kenken - 250 Easy Puzzles 6x6 (Volume 1)

Killer Sudoku - 300 Medium+ Puzzles 9x9 (Volume 3)

Killer Sudoku - 300 Hard Puzzles 9x9 (Volume 4)

Killer Sudoku - 300 Medium Puzzles 9x9 (Volume 2)

Killer Sudoku - 300 Hard+ Puzzles 9x9 (Volume 5)

Killer Sudoku - 300 Easy Puzzles 9x9 (Volume 1)

Suguru - 250 Medium Suguru Puzzles 8x8 (Volume 3)

Suguru - 250 Hard Suguru Puzzles 12x10 (Volume 2)