por Darwin, Charles, 1809-1882 [autor] | Leakey, Richard E [prologuista] | Darwin, Charles, 1809-1882. On the origin of species.
por Darwin, Charles, 1809-1882 [autor] | Leakey, Richard E [prologuista] | Ros, Joandomènec [traductor] | Darwin, Charles, 1809-1882. Illustrated origin of species.
por Leakey, Richard E [autor] | Leakey, Richard. Sixth Extinction | Lewin, Roger [autor] | Moya, Antonio-Prometeo, 1949- [traductor].