Eyewitness handbooks

A visual guide to over 250 types of cats from the world.

2,000 vivid full-color photos of the eggs of more than 500 bird species.

The clearest and sharpest recognition guide the natural world, Eyewitness Handbooks make identification of individual animals, plants, minerals, and other phenomena sure, simple, and straightforward.

A new generation of guides to the world of natural collectibles, the Eyewitness Handbooks make identification of individual specimen sure, simple, and straightforward.

A field guide to trees around the world, each depicted by a full-color photograph with a caption that describes key features and points of differentiation.

A visual guide to over 130 gemstone varieties. Each entry includes a description with annotated photographs to identify the gemstone's characteristics.

Contains color illustrations and descriptions of over three hundred national, international, official, and provincial flags from around the world, organized by continent.