Titles in This Set Beginner Sudoku Super Easy Sudoku Easy Sudoku Easy-Medium Sudoku Medium Sudoku Medium-Hard Sudoku Hard Sudoku Expert Sudoku Advanced Sudoku Master Sudoku Details Condition: Brand New Format: Paperback ISBN: 9789124028114 Publisher: Rupa Publications Age Range: Teen & Adult Overview The Ultimate Sudoku Challenge is a ten-book paperback collection taking solvers from first-time Sudoku basics through to genuinely tough, expert-level grids. Each title focuses on a single difficulty band, so puzzlers can progress steadily rather than jumping between mismatched levels. With more than 1,200 puzzles and full answer keys included, it is a comprehensive, ready-to-go puzzle library for home, travel, or gifting, suitable for beginners and seasoned enthusiasts alike. About the Books Sudoku remains one of the world's most popular logic puzzles, and this ten-volume paperback set has been carefully graded to guide solvers through every stage of the challenge. Beginner Sudoku and Super Easy Sudoku introduce the rules and build number-placement confidence without overwhelming newcomers. Easy Sudoku and Easy-Medium Sudoku then gently raise the stakes, encouraging sharper logical thinking. Medium Sudoku and Medium-Hard Sudoku suit solvers who already know the basics and want puzzles that genuinely test concentration and pattern recognition. Hard Sudoku and Expert Sudoku are built for experienced players who enjoy a real mental workout, with denser grids and fewer starting clues. The set concludes with Advanced Sudoku and Master Sudoku, the toughest volumes, reserved for enthusiasts chasing the ultimate challenge. Every book contains full answer pages, so solvers can check their work or see a puzzle through to completion when stuck. Printed in a handy paperback format, the books slip easily into a bag for commutes or holidays, yet deliver hours of enjoyment. Whether bought as a personal challenge or a gift, this graded structure means there is always a next level to aim for, making the collection as rewarding for beginners as for long-time Sudoku fans. Ten paperback books covering every difficulty from Beginner to Master Over 1,200 Sudoku puzzles with full answers included Graded structure lets solvers progress naturally as skills improve Compact format, ideal for home, travel, and holidays A thoughtful gift for teenagers and adults who enjoy logic puzzles A screen-free way to practise concentration and problem-solving About the Author This collection is produced by Rupa Publications, an established publisher known for accessible puzzle and activity titles. Rather than the work of a single named author, the puzzles are professionally compiled and graded by Rupa's puzzle team to ensure a consistent difficulty curve across all ten volumes. Their focus on clear layouts, checked grids, and complete answer keys has made their puzzle books a popular, dependable choice for solvers of all levels. Why You'll Love This Collection With ten graded books and over 1,200 puzzles in one set, there is always a fresh challenge to reach for. It is the perfect gift for logic-lovers, a satisfying screen-free hobby, and a brilliant way to sharpen the mind one grid at a time. Please Note: Cover design and edition shown reflect the UK paperback ISBN listed above.