Tom MacRae is best known as a scriptwriter for television, for which he has been nominated for a BAFTA. His work has been shown on both Channel 4 and BBC2. He has recently written several episodes for the new series of both Doctor Who and Miss Marple. His first book for children, The Opposite, was published by Andersen Press in 2006, and his second Baby Pie in 2009.
Elena Odriozola has had over 55 book published in her native Spain. Before turning to children's illustration, she worked in advertising. She illustrated the award-winning The Opposite.