identification

Full-color photographs feature close-up views of tree leaves, flowers and cones, fruit, buds, and bark, with in-depth looks at ten common trees.

Provides an introduction to the field of forensics, focusing on the work done by ballistic investigators, identifying the skills, education, and training needed to do the job, discussing opportunities and future trends in the field, and including a look at a typical on-the-job experience.

The author, a highly respected forensic anthropologist, reveals some of the stories of her more unforgettable case files including her work on the Oklahoma bombing and the September 11 trade tower victims.

Contains descriptions of all 120 species of the world's marine mammals, including whales, dolphins, porpoises, seals, sea lions, manatees, otters, and polar bears, providing information about appearance, behaviors, life histories, eating and mating habits, and other topics, with maps and illustrations.

Provides descriptions and annotated photographs of various species of trees, including conifers, broadleaves, and palms, and includes height, shape, leaf persistence, and leaf type indicators.

Identification information for various characteristics of rocks and minerals found in North America, with 794 photographs.

Explains how to start and organize a rock collection; provides detailed descriptions of hundreds of minerals with information on geographic distribution, physical properties, chemical composition, and crystalline structures; and includes 385 color photographs.

Examines many species and varieties of cactus, describing their origins, characteristics, and adaptations for survival.

Describes flowers, leaves, size, habitats, and known ranges for over 1500 wildflowers.