A Canadian, Karen Wallace gained a degree in English from London University. Shortly afterwards she and her husband went to Toronto and worked in the publishing business. A few years later they moved to Ireland with their two young sons, and returned to England in 1982.

She now writes full-time for children and for children's television. She and illustrator Mike Bostock won the TES Information Book Award for Think of an Eel (Walker Books).

Her novel Raspberries on the Yangtse was short-listed for the Guardian Award. She is married to novelist Sam Llewellyn.

Ross was born in Glasgow, Scotland in 1972. As he grew up he was fond of drawing and precariously swinging backwards on chairs. He graduated from the Glasgow School of Art in 1994 with a First in Illustration.

In the same year he won the MacMillan Children's Book Prize. Ross spends his time writing and illustrating children's books, walking by Loch Lomond and precariously swinging backwards on chairs.

Ross can also be found scaring small children at book festivals and schools.