Two unseen characters argue about whether the creature they are looking at is a rabbit or a duck.

Featuring a special section on how children can make a tree identification book of their own, this title is a bright and colorful introduction to trees, leaves, and their inner workings in nature.

An introduction to biometrics explains how this science is used to enhance security measures in such places as banks and airports.

Explains how turtles and tortoises are similar, but also have some important differences, including their legs, feet, shells, and behaviors can all help you tell these two animal look-alikes apart.

This handbook, focusing on over 300 of the main insect families, combines a concise description with annotated photographs and illustrations to highlight the insect's chief characteristics, including physical features, life cycle, habitat, and larval stages.

The clearest and sharpest recognition guide to over 500 species of seashells from around the world. Authoritative text, crystal-clear photography, and a systematic approach make this the most comprehensive and concise pocket guide to seashells of the world. Packed with more than 600 full-color photographs of over 500 species of seashells, this handy reference book is designed to cut through the complex process of identification and make it accessible...

Examines ways in which an individual's identity can be verified, different ways this information can be used, and technological advances in the process, and some issues concerning use of technology to identify people.

"Introduces pre-readers to simple concepts about trees using short sentences and repetition of words"--Provided by publisher.

Explains that crocodiles and alligators may look similar, but these two reptiles have many differences, including where they live and the shape of their snout.

In the summer of 1947, Kate Herrick, widowed by the war, returns to Rose Cottage, her childhood home. A tiny thatched dwelling nestled in an idyllic country setting, Rose Cottage at first appears the picture of tranquility. But Kate soon discovers that someone has broken in; the papers that are the object of her have disappeared, and the village seethes with gossip. How harmless are her elderly neighbors, who are suspected of witchcraft? And what

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