Mammoth Book of New Sudoku Over 25 different types of Sudoku, including Jigsaw Sudoku, Killer Sudoku, Skyscraper Sudoku, Sudoku-X and multi-grid Samurai Sudoku Moore, Dr Gareth Heftet / 2013 / Engelsk
British Army Challenge Book The Must-Have Puzzle Book for This Christmas! Moore, Dr Gareth Heftet / 2019 / Engelsk
At Sixes and Sevens How to Understand Numbers and Make Maths Easy Riley, Rachel Innbundet / 2021 / Engelsk
At Sixes and Sevens How to Understand Numbers and Make Maths Easy Riley, Rachel Heftet / 2022 / Engelsk
