This handy identification guide to the plants that cause billions of dollars annually in crop loss and control measures include information on: -The harm that weeds cause -Benefits from weeds -Major weed habitats Accurate full-color illustrations and descriptive text identify the principal weeds and weed groups that invade lawns, gardens, fields, and roadsides. Range maps show distribution within the United States.

This eBook is best viewed on a color device. This Golden Guide from St. Martin's Press is an introduction to the major groups of poisonous animals in the world, including the most deadly species. Learn about: -Dangerous stingers, fangs, and spines -The many varieties of venom, and the different ways they are used -Where poisonous animals live Includes full-color illustrations and little-known facts about some of the most remarkable animals on...

Enjoy and Learn! Expert Knowledge! Easy-to-Read! This handy guide to the most common, important and showy North American insects will help the novice begin a fascinating study. Includes: A key to insect groups Mature and immature forms How insects grow and develop and what they eat How to find and observe them Full color pictures, nontechnical language, and up-to-date range maps make this a gem of a guide for beginners at any age.

Focusing on contemporary and historical developments in the study of human anatomy, this features clear, age appropriate text, photographs, charts, graphics, and 3-D models highlighting the inner workings of our bodies -- from the framework of our skeleton to the millions of tiny cells that make our bodies work. In this updated edition, kids can discover how muscles and joints help us move, find out how x-rays work, see the network of nerves inside...

Provides a close-up view of various types of rocks and minerals and describes their origins, the effects they have on the landscape, and how they have been used.

Text and illustrations identify numerous butterfly and moth species found in North America. Includes a brief description of the life cycle, defenses, and enemies of these insects.