Do you like to use your spare moments indulging in Japanese Puzzles? If so, Roundabout Challenge will be your perfect take-anywhere companion. With 100 puzzles guaranteed to sharpen your mind and keep you thoroughly entertained; this collection is a real treat for anyone who loves Puzzles. Are you ready to rise to the ultimate brain-training challenge? The unique thing about this puzzle book is that the puzzles all fit within a theme - they are all related to Japanese Puzzles. Working the puzzles in this book can provide a vigorous mental workout for virtually everyone from teenagers to senior citizens, all while fitting within the theme of Logic Puzzles. Activate your brain cells and grab a pencil - Roundabouts, brought to you by Hats House, is here to provide you hours of challenging entertainment, one page at a time!