"And lo and behold - the complete hind legs of two baby dinosaurs, both under a year ... it's physical proof of the juveniles' very different feeding strategy. While the adults bit and scraped ...

THE TRAIL OF THE DINOSAUR (253 pp.) —Arthur Koestler—Macm/7/on ($3.50). In a London club not long ago, a doddering ancient buttonholed an odd-looking chap, said to have once been a Hungarian ...