Megabugs : and other prehistoric critters that roamed the planet

"A millipede the size of a basketball player? A pit-bull-sized scorpion? It's hard to believe, but such mega-critters once lived on our planet. In this peek into prehistory, award-winning science writer Helaine Becker introduces us to nine of these terrifying giants. You'll discover when and where they lived, how they grew to their mega-sizes and what (thankfully!) caused their extinction. On each spread, a highly realistic illustration shows us...