Koos Meinderts (1953) writes songs and poems, books, cabaret and theatre plays for adults as well as children. His books won several awards and one of them was nominated for the prestigious German Juvenile Literature Award.Annette Fienieg (1959) has illustrated over eighty children's books, often those written by Koos Meinderts, has written. She has won, amongst other prizes, the annual Award of the Dutch Illustrators Guild.