Sudoku Series  (English, Book, unknown)

SUDOKU, a logic based number placement puzzle, is not always easy to solve for everyone. It requires great skills, logical thinking and utter concentration. Practising Sudoku puzzles rarely misses brain acuity, i.e., persons practising Soduko puzzles give their brain a good exercise, which in turn sharpens their minds and accelerate their logical thinking. Goodwills Sodoku series consists of eight books: Brain Busting Sudoku, Fascinating Sudoku, IQ Sharpening Sudoku, Mind Zooming Sudoku, More Sudoku, Sensational Sudoku, Super Sudoku and Supreme Sudoku Sudoku, all equipped with brain-storming sudoku puzzles, which definitely help you boost up your brainpower.