Grades 3 - 7

The first shapes found in crop fields were circles. Since then, people have discovered more complex designs. Where do these designs come from? Are they messages from alien visitors, or are… More →

The United States Army uses variations of the UH-60 Black Hawk to perform a wide variety of missions. The Black Hawk has been the primary helicopter of the Army for over 30 years. This book… More →

This ancient country is considered the birthplace of Western civilization. Tourists can walk on the grounds of the first Olympic Games, see the mythical Mount Olympus, and visit the Acropolis More →

Wrestling, one of the oldest forms of hand-to-hand combat, is a popular sport today. Wrestlers use their raw strength to throw their opponents off-balance and pin them to the ground! Children More →

Haiti is a country that has experienced many hardships—most recently, a devastating earthquake in January of 2010. It is also a country with a rich history and a culture that is famous for… More →

Thousands of people around the world have claimed to have been abducted by aliens. Is there truth to these reports, or did the people make them up in order to get into the headlines? This… More →

When there is danger in shallow water, Littoral Combat Ships are called into action. These ships can go in water too shallow for other ships of the United States Navy. Armed with high-tech… More →

Used by the United States Army Special Forces, AH-6 Little Birds have a reputation for their ability to quickly attack a target and then get away before the enemy can react. They have proven… More →

Denmark has consistently been ranked as one of the happiest countries in the world. It has a high standard of living, an impressive literacy rate, and an industrious economy. In this title,… More →

Famous for the snowy peaks of the Swiss Alps, Switzerland is a popular destination for skiing and snowboarding enthusiasts all over the world. Swiss alpine culture is also known for a long… More →

A medium-lift assault helicopter, CH-46 Sea Knights are used to deliver heavily armed troops into battle. They are also used on several other missions. Readers will learn about these large… More →

Costa Rica, which means “Rich Coast,” is aptly named. Its long coastlines, bordering the Caribbean Sea to the east and the Pacific Ocean to the west, have some of the most diverse ecosystems… More →