Are you planning for a vacation or perhaps even a business trip? You might have heard of a Travel Sudoku but have yet to personally experienced the benefits and joys of solving Sudoku puzzles to pass the hours in a plane, airport, a car or other situations requiring you to pass hours with nothing much to do. Try these addictive "wordless puzzles" and see how fast time passes. This book 'Sudoku for Travel - Hard Vol. 1: Travel Sudoku Games' is a special Travel Edition which is designed for use anywhere you go. It is meant for the more experienced player who also has the option to go for an even higher difficulty level through another book in the Series. That would be 'Sudoku for Travel - Very Hard Vol. 1: Travel Sudoku Games'. If you are a beginner, try another book in this series set with lower level difficulty. The Series of Travel Sudoku book comes in size 5" x 8", with only one puzzle per page. This is purposefully designed to allow each puzzle to be large-enough for ease of use in addition to having blank spaces for writing notes.Special Features of this book include the following:* Only one Sudoku per page to allow for large-size puzzle* Blank spaces around puzzles for writing* 100 Sudoku puzzles of similar difficulty level* Solutions provided for all puzzles* Trim Size of 5" x 8" for easy of carrying aroundBooks available in this Series:* Sudoku for Travel - Easy* Sudoku for Travel - Medium* Sudoku for Travel - Hard* Sudoku for Travel - Very HardWant to take a break and spend some time giving your brain a relaxing boost?If you are a fan of crossword or of logic games, or even just a general puzzle lover, you will likely be captivated and be delighted with this Sudoku book.Enjoy your travel and your journey in travel with Sudoku.