W. Scott Persons Reihenfolge der Bücher (Chronologisch)

Middle school readers can journey into the prehistoric world of tyrannosaurs and discover what it was like to excavate the world's largest T. rex skeleton.

An informative and durable folding guide to fossils, including dinosaur bones, ammonites, shark teeth and more.

Ginseng, known as 'sang in the Southern Appalachian Mountains, is a native plant from Maine to Georgia and from the East Coast to the Pacific Northwest. Ginseng grows wild in several parts of the world and has been used as a medicinal plant in the Orient for ages. It remains a valued crop around the globe. Persons uses a step-by-step process to show how and where the plant grows. He then shows how these conditions can be duplicated in a controlled manner even in areas of the world where ginseng is not indigenous.