Reconstructing (and deconstructing) the past / Stephen Jay Gould -- Life and time / Michael Benton -- Foundations: life in the oceans / J. John Sepkoski, Jr. -- The rise of the fishes / Michael Benton -- Four feet on the ground / Michael Benton -- Dinosaur summer / Michael Benton -- Victors by default / Christine Janis -- The primates' progress / Peter Andrews and Christopher Stringer.