1990 nobel prize literature, war correspondent and author of the face of war martha adelle horn and dr. benjaminspock author of baby and child care, first published in 1946 and now in its ninth edition. for more information on this and other facts, book tv first year on the air, visit booktv.org. >> you're watching book tv. next, steven meyer said down with book tv and freedom fest to talk of his latest book. in the book discusses the mystery surrounding the origins of the animals that appeared during the cambrian explosion, over 500 million years ago. this is about half an hour. >> steven meyer of the discovery institute and author of our one step, the explosive origin of animal life in the case for intelligent design. dr. meyer, what was there was