Over 150 mind-bending puzzles are included in this brain-training collection. Keep your mind fit and active as you complete this mixture of ingenious brain teasers. These puzzles are designed to improve your lateral thinking, logical reasoning and number skills which give your brain a great workout. As you progress through the book, the difficulty increases so you can test and build your skills as you go. Puzzle types include: • Domino Placement • Calcudokus • Hidatos • Number links • Skyscrapers • Slitherlinks, and many more. With a striking cover design, this puzzle book makes a wonderful gift for any puzzle lover. ABOUT THE SERIES: The Sirius Super Puzzles series brings together some of the most superb and popular puzzle types, including sudokus, wordsearches and brain-training puzzles, presented with striking and vibrant cover designs.