Double Black Diamond Hard Sudoku

Suitable for hardcore sudoku fans, this pocket-sized book is part of the Sit & Solve[registered] series.

About the author

Frank Longo has had more than 3,000 crossword puzzles published since 1993, and in the past few years has turned his attention to the sudoku craze. He has published over 100 sudoku books.

Product details

• Authors: Frank Longo, LONGO FRANK
• Publisher: Union Square
• Languages: English
• Product format: Paperback / Softback
• Released: 16.05.2013
• EAN: 9781454906995
• ISBN: 978-1-4549-0699-5
• No. of pages: 96
• Series: Sit & Solve; Sit & Solve; Sit & Solve(r)
• Subject: Guides > Hobby, home > Games, quizzes