Tommy Donbavand is the author of the 13-book Scream Street series, published in over a dozen languages worldwide.

He has also written several titles for reluctant and struggling readers, including Zombie!, Wolf, Virus and Uniform - which won the 2011 Hackney Short Novel Award.

Originally from Liverpool, Tommy now lives in Lancashire with his family and an increasing number of pets. He sees sleep as a waste of good writing time.

Kev Hopgood is a children's illustrator and comic book artist. He works for a wide variety of publishers in the UK, US and Europe. Past clients include Marvel comics, for whom he co-created the character War Machine which appeared in the latest Iron Man movie. He's also worked in the educational and ELT field for publishers such as Oxford University Press, Barrington Stoke & Franklin Watts