Sudoku Xtra issue 13 is packed with 138 logic puzzles of over 60 different types, from the large front cover Heyawake through to the Xtra Calcudoku variant featuring not just one but two 15-square cages. With Hanjie picture puzzles, Masyu, Yajilin, Slitherlink and more, plus the packed Community Puzzles section at the back, featuring content from the cream of the world's best puzzle designers, Sudoku Xtra 13 is crammed from cover to cover with varied and exciting puzzles at a range of sizes and difficulties. Other puzzles include not just a huge range of Sudoku variants but also Nurikabe, Hashi, Fillomino and many more. With hand-crafted puzzles at a range of difficulties from best-selling author Dr Gareth Moore, there's something in Sudoku Xtra for everyone.