David L. Harrison

#2

All around us, our planet is changing. Some changes are sudden and dramatic; others are almost imperceptible and take years. Our Earth in Action looks at these changes - from climate change to erosion and human activity - in detail. Earthquakes describes these violent earth events and looks at ways of predicting them.

#3

Crawl, hop, and fly into the world of the largest animal class on the planet. Some chapters focus on the planet. Some chapters focus on individiual species - from killer bees to deadly spiders; while other chapters discuss insect and arachnid behavoir, lifecycles, and feeding.