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 food in her bowl, look, it's right there, look. His hobbies include writing and playing games on his phone when he should be writing. You can follow him on Twitter @alastair_ch, if you like.

Eric Deschamps is an illustrator of middle-grade and early reader books in the science fiction and fantasy genre, as well as a card artist for the popular collectible card game Magic: the Gathering. His illustrations have been recognized in 'Illustrators 61' (Society of Illustrators) and 9 volumes of 'Spectrum: Best In Contemporary Fantastic Art.' Aside from art, Eric enjoys coaching a special needs basketball team each year and writing children's stories of his own.