Christopher, Nick

Readers discover how this goal was achieved as they explore this pivotal period in American history. Historical images allow readers to place themselves on a wagon train or a railroad.

Describes police officers’ line of work, which involves enforcing laws, ensuring public and traffic safety, and working alongside police dogs.

Introduces what mail carriers do while on the job.

Getting mail is exciting, but how do letters get from the post office to our mailboxes? Mail carriers make sure we get our mail, so they re important community helpers. Readers may be familiar with seeing mail carriers at work, but they learn new facts about this career with each turn of the page. This career-oriented information supports common curriculum topics. As readers learn about mail carriers, they also develop their vocabulary with the help of a picture glossary. Also, they strengthen their reading comprehension skills by exploring the close relationship between the manageable text and colorful photographs. Detailed Table of Contents, Picture Glossary, Index, Web Sites.

An exploration of arctic wolves, covering their habitat, food, behavior, and more.

Presents questions and facts about whether video games are too violent for children.

An exploration of arctic wolves, covering their habitat, food, behavior, and more.

Learn about the features that make Mars unique.

Text and color illustrations introduce young readers to characteristics of Mars, the fourth planet from the Sun.

Explores the pros and cons of zoos.