Provides a comprehensive, factual book about the many elements of skins, including hair and nails, complete with index, visual references, illustrations, tables

As in previous books in this critically acclaimed series, Brynie polled hundreds of high school students across the country to find out what they wanted to know

As in previous books in this critically acclaimed series, Brynie polled hundreds of high school students across the country to find out what they wanted to know

Uses a question-and-answer format to present information about sleep, sleeping disorders, how the lack of sleep can affect our bodies, and what causes us to dre

Questions and answers explain the human digestive system and how it uses food for nutrition.