Penguin nature classics

"In the Baliem Valley in central New Guinea live the Kurelu, a Stone Age tribe that survived into the twentieth century. Peter Matthiessen visited the Kurelu with the Harvard-Peabody expedition in 1961 and wrote Under the mountain wall as an account not of the expedition, but of the great warrior Weaklekek, the swineherd, Tukum, U-mue and his family, and the boy Weake, killed in a surprise raid"--Page 4 of cover.