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How spiders make their silk, plus the future of silk and how science is using it.

Find out why dogs have such a keen sense of smell, and how they use it to help people.

Painter Chuck Close has overcome many obstacles. One was prosopagnosia, or face blindness; another was paralysis after a catastrophic spinal artery collapse. But nothing has stopped him from painting. His paintings of people's faces are so realistic that from a distance they seem like photographs.

This book provides an overview of fingerprints: what they are, types of patterns, and how they are used and identified.

Novel-Ties study guides contain reproducible pages in a chapter by chapter format to accompany a work of literature of the same title.

A balance of appealing nonfiction and fiction titles, focus on strategies and skills critical for reading comprehension, and nonfiction features such as indexes, glossaries, tables of contents, and captions.