Michael Rosen is one of the most popular authors for children. His bestselling titles published by Walker Books include We're Going on a Bear Hunt, A Great Big Cuddle, Little Rabbit Foo Foo, Michael Rosen’s Sad Book, Tiny Little Fly and What Is Poetry?.

Michael received the Eleanor Farjeon Award for distinguished services to children’s literature in 1997, and was the Children’s Laureate from 2007 to 2009. He is a distinguished critic and academic, Professor of Children's Literature at Goldsmiths, University of London.

He also presents radio programmes for the BBC, and is a political commentator. Michael lives in London.

Kevin Waldron was born and raised in Dublin.

After graduating with a degree in graphic design from D.I.T., he moved to London to study for an M.A in illustration at Kingston University.

His first book, Mr. Peek and the Misunderstanding at the Zoo (Templar Publishing) won the Bologna Ragazzi Opera Prima Award in 2009. He illustrated Tiny Little Fly (Walker Books), written by Michael Rosen which won the Bull-Bransom Award in 2011.

The same year, he was also named one of the Booktrust best new illustrators. His second book in the Mr. Peek series, Pandamonium At Peek Zoo (Templar Publishing) published in 2013. His latest book, Harold's Hungry Eyes (Phaidon Press) was published in 2016

Kevin has now made New York his home. He makes picture books from his studio in Brooklyn. Sometimes his wife comes home & is angry that all the leftover dessert is gone.