ISABEL GREENBERG is a London-based illustrator. Her first graphic novel The Encyclopedia of Early Earth was published in 2013 by Jonathan Cape in the UK, Random House in Canada and Little Brown in the US. Her clients include The Guardian, Nobrow Press, The National Trust, Seven Stories Press, Solipsistic Pop, First Second and The New York Times. In 2011 she won the Observer Jonathan Cape Graphic short story prize. She exhibited work in the Memory Palace exhibition at the V&A, and was a select at Pick Me Up 2014 at Somerset House. This is her first book for children. IMOGEN GREENBERG is a London-based writer and graduate of ancient history, and a freelance journalist writing about arts, culture and heritage in London. This is her first children's book.