Judit Tondora was born in Hungary. She is an illustrator and graphic designer who has worked for various clients in the world of publishing and commercial design.
Katrina Charman was the recipient of the SCBWI British Isles' Margaret Carey scholarship for fiction in 2013, and in 2014 she was one of the winners of the SCBWI's Undiscovered Voices competition. Katrina's first children's book, the early reader The Ninjabread Man, was published with Franklin Watts (UK) in July 2015. The Last Firehawk is her first early chapter book series. Katrina lives in South East England with her husband and three daughters.