Frank Longo

25 books

The Sudoku Code: 200 Sudoku Puzzles. One Answer. Can You Find It? by Frank Longo, Francis Heaney

The Sudoku Code: 200 Sudoku Puzzles. One Answer. Can You Find It?

Frank Longo, Francis Heaney

221 pages • paperback • 2006

adventurous mysterious tense medium-paced
Third-Degree Green Belt Sudoku® by Frank Longo

Third-Degree Green Belt Sudoku®

Frank Longo

192 pages • paperback • 2009

adventurous mysterious reflective medium-paced
Vowelless Crosswords by Frank Longo

Vowelless Crosswords

Frank Longo

96 pages • 2009

funny informative medium-paced
The World's Longest Crossword Puzzle by Frank Longo

The World's Longest Crossword Puzzle

Frank Longo

88 pages • hardcover • 2005

challenging informative slow-paced
The World's Longest Sudoku Puzzle by Frank Longo

The World's Longest Sudoku Puzzle

Frank Longo

88 pages • hardcover • 2006

challenging reflective medium-paced