collection and preservation

The encylopdia of shells is a detailed reference guide for both the shell collector to the serious student.

Intertwines the stories of scientific explorer Richard Evans Schultes and his student Tim Plowman, both of whom went on scientific expeditions to South America, Schultes spending twelve years, beginning in the 1940s, mapping uncharted rivers and collecting botanical specimens; and Plowman, who along with the author, duplicated Schultes's journey thirty years later.

The story of a significant fossil find in Teton County, Montana leading to new information about dinosaurs and their behavior.

An introductory guide to collecting and identifying rocks and minerals.

Offers tips for collecting, organizing, and displaying rocks, shells, leaves, feathers, and other natural objects.

Detailed full-color spreads help beginning naturalists observe and understand over 150 types of rocks and minerals.

A guide to identifying mammal bones that discusses what a person can learn about an animal's habitat, eating patterns, and lifestyle by studying its bones.

An introduction to where and how to look for fossils. Includes time charts, world maps locating major fossil sites, and more than 120 photographs.