Sergio Kern was born in 1954 in Rosario, Argentina. He currently lives in Barcelona, Catalonia, Spain. He has written and illustrated numerous children’s books. In Argentina he has published the following titles, among others: Vengo a comerte (I’ve come to eat you), ¿Qué tal ratones? (What are mice like?), Un tigre de papel (A paper tiger), Había una vez una gata (Once upon a time there was a cat), Había una vez un árbol (Once upon a time there was a tree), Mamá del cosmos (Mother of the cosmos). In Spain he has published, among others: Enginyería Reventós, Rafa y Zoe (Rafa and Zoe), with illustrations by Cristian Turdera. He has held several photography and illustration exhibitions in Barcelona.