Do you love sudoku? Do you want to test your skills with a unique maths and logic game? If you do, then you will love this collection of puzzles ideal for you to do anytime, anywhere. Unique ,  fun, and interactive, this collection of brain-teasing puzzles  can be played offline and will keep you entertained for hours and hours. Whether you are looking for  puzzle practice to train your brain , or seeking a screen-free offline alternative to online puzzles, or a  sudoku challenge like no other this collection will have you enthralled. Roland Hall has worked as a Commissioning Editor of puzzle books for a number of years. He was responsible for book publishing with many best-selling puzzle brands, including Mensa , The Puzzler and Take A Break , and devised a number of highly popular themed puzzle books and packs on subjects as diverse as Sherlock Holmes, Star Trek, Pride and Prejudice and Dante's Inferno. He has written and contributed to many quiz and puzzle books, including Anagram Challenge , and Wordle Challenge for Kids .