Gray attended Great Baddow Comprehensive, then graduated from the University of Kent with an honours degree in English and American literature.
[1] He is one of the UK's bestselling writers for children, with over two million copies of his stories sold.
[2] He is known for the award-winning Daisy picture books, illustrated by Nick Sharratt, the chart-topping Oi!
[6] In 2019, Hughes and Pins & Needles Productions adapted Gray and Field's children's book series Oi Frog and Friends for the stage.
The production premiered at Frensham Heights School in October 2019,[13] before going on to a critically acclaimed run at the Lyric Theatre in London's West End.