Böcker utgivna av Crabtree Publishing Co,US

Introduces young scientists to the properties of metals. This book helps readers discover that metals are shiny, ductile, malleable, and conductive.

One of the three basic states of matter, this title provides insight into the properties of gases. It helps readers discover what gases are, how they react when heated or under pressure, and the gases that make up the atmosphere.

Gangs exist in places all over the world. The United States, however, is believed to have more gangs than any other country in the world. This book provides an overview of the issues surrounding gangs, including how and why young people are lured into gangs and the consequences of gang involvement.