A book cover with a green background featuring an ornate design with a central leaf motif. The title 'HUMANLY POSSIBLE' is prominently displayed in red at the top, with the subtitle 'A Biologist's Notes on the Future of Mankind' in smaller text below. The author's name, 'Jean Rostand', is written in the bottom right corner. The cover has a textured appearance and is framed by a decorative border.