Pierre-Marie Valat is the author of Fruit, Let's Look at Building Sites by Night, Let's Look Inside the Body, Shapes, and Water. Sylvaine Peyrols is the author of The Body, Earth and Sky, Farm Animals, How the Body Works, The Ladybird, and The Owl. Sylvaine Peyrols is a children's book creator and the author of The Body, Earth and Sky, Farm Animals, How the Body Works, and The Ladybird.