Numbers Up And Numbers Down: Hard Puzzles : Sudoku Ultimate Edition

When faced with numbers, it's easy to get overwhelmed. The numbers in Sudoku seem to be arranged at random but they're not. They have patterns that need to be discovered. But once you discover these patterns, it'll be easy to determine the missing numbers. Be warned though that the Sudoku puzzles in this are hard so finding their patterns might take some time.

• | Author: Puzzle Pulse
• | Publisher: Puzzle Pulse
• | Publication Date: Feb 15, 2017
• | Number of Pages: 140 pages
• | Language: English
• | Binding: Paperback/Mathematics
• | ISBN-10: 0228206715
• | ISBN-13: 9780228206712