A centipede as long as a couch? Trees so tall they touch the clouds? Amphibians changing into reptiles? These are just a few of the amazing life forms detailed in When Bugs Were Big. This lively new book tickles the reader's funny bone while it imparts tons of information about the animals, plants, and bugs that lived before the dinosaurs. Youngsters will read ''news reports,'' including a weather forecast from 320 million years ago and an emergency broadcast about the swift extinction that would end the Permian period. As kids peruse Bonner's innovative combination of narrative text, engaging illustrations, hilarious cartoons, maps, charts, and time lines, they will gather lots of valuable scientific information about the amazing creatures that ruled the Earth before the dinosaurs.