Once Upon 4 Rubber by Babafemi Adeyemi Osofisan (1980)

*Author, once upon 4 robbers*

Babafemi Adeyemi Osofisan (born June 16, 1946), known as Femi Osofisan or F.O., is a Nigerian writer noted for his critique of societal problems and his use of African traditional performances and surrealism in some of his plays. A frequent theme that his drama explore is the conflict between good and evil. He is a didactic writer whose works seek to correct his decadent society. He has written poetry under the pseudonym Okinba Launko.