Fleur Daugey trained in psychology and ethology, working at several NGOs before turning to writing. She has published numerous books for young people, including Animals of Japan, Animal Dads and The Love Lives of Animals. Sande Thommen studied at the Ecole Estienne in Paris then entered the illustration workshop at the Ecole Superieure des Arts Decoratifs in Strasbourg. He has illustrated numerous works for children including Animals of Japan, Globe-Trotting Birds and Waking Volcanoes.