Alastair is a children's author and puzzle creator. As a puzzle creator he wrote quite a lot of books of Sudoku and other puzzles for kids and grown-ups, and as an author he writes picture books and middle-grade fiction. Alastair lives in Edinburgh with his wife (who is lovely), two teenagers (who are lovely but very loud), and a cat named Maudie, who is yowling at him even though there is clearly...