The tale of a young, mischievous gorilla who can"t wait to grow up Pongo is a young gorilla who lives in the mountains of Africa. He has long glossy black hair and a black shiny nose. But Pongo can"t wait to grow up, when he will have a silver back like his father"s and a big chest that he can thump. With gentle humor and comfort, this tale reveals how Pongo learns that growing up isn"t just about chest-thumping.