Anthony Horowitz is the author of the number-one best-selling Alex Rider books and the Power of Five series. He has enjoyed huge success as a writer for children and adults, including with the latest Alex Rider adventures, Never Say Die and Secret Weapon, and the James Bond novel Forever and a Day. He has also created and written many major television series, including the award-winning Foyle's War. Anthony Horowitz lives in England.

Antony Johnston is an award-winning author of more than a dozen graphic novels in genres ranging from horror to romance. He has also written video games, books, and animation. He has reinvented Marvel's character Wolverine for manga and adapted many of Alan Moore's prose works into comic form. He lives in Lancashire, England.

Amrit Birdi is the illustrator of the graphic novel Username: Evie, written by YouTuber Joe Sugg, and the follow-up titles Username: Regenerated and Username: Uprising. He has also worked as an artist for many international companies, including Netflix, ITV, Warner Bros., Porsche, Ubisoft, and Nike. Amrit Birdi lives in London.