Discover the startling facts and dramatic new theories currently revolutionizing our understanding of some ot he largest, most ferocious animals ever to walk the Earth, in THE DINOSAURS! Banishing the once-accepted image of cold-blooded brutes plodding toward extinction, tantalizing new findings now show that some dinosaurs were intensely active, fleet-footed hunters; others were devoted, family-rearing parents; and, most heretical of all, warm-blooded!