1000 Sudoku XV Vol. 2: Japanese puzzles: brain teaser and brain training - level: hard

"Sudoku XV" are exciting logic puzzles, the solutions of which are not so simple. Challenging puzzles are a perfect pastime, as combination skills and logical thinking are promoted. "Sudoku XV" are a variant of the original Sudoku and originate from Japan. They offer the perfect mix of fun, logic, combination and art.Hours of puzzling fun are guaranteed.. Contents:Over 1000 exciting "Sudoku XV" logic puzzles including solutions at the end of the book.The puzzles are illustrated not too big, but also not too smallSuitable for young and old, teenagers, adults, retirees and seniorsA4 format