Myriam Ouyessad was born in Paris and studied philosophy at the Sorbonne. She participated in the creation of the alternative youth magazine From the Water to My Mill in 2011, where she also published her first stories. Ronan Badel was born in Brittany. A graduate of Decorative Arts of Strasbourg, he began writing and illustrating children's books, publishing his first book in 1998.

Ronan Badel was born in 1972 in Auray, Brittany. A graduate of Decorative Arts of Strasbourg, he began writing and illustrating children’s books, publishing his first book in 1998. After several years teaching illustration at a Paris art school, he settled in Brittany and devoted himself to creating children’s books. In 2006 he published his first comic book, Petit Sapiens.

"This mischievous bit of topsy-turvy is a thoroughgoing delight." - Kirkus Reviews June 2019.

Named as one of the Best Books of 2019 by Kirkus Reviews! November 2019.