Tracy Vonder Brink

The Army is the biggest and oldest branch of the U. S. military. It relies on highly trained soldiers to complete missions around the world. Learn about the roles of soldiers and their training, and get an inside look at the advanced equipment, vehicles, and weapons the Army uses. When duty calls, the Army is always ready to defend.

The U. S. Marine Corps dates back to the American Revolutionary War. Marines are known for being first to arrive at conflicts around the world. Learn about the roles of Marines and their training, and get an inside look at the advanced equipment, aircraft, and weapons the Marines use to complete their tough missions.

The U. S. Navy traces its roots back to the American Revolutionary War. Then, its small fleet was outnumbered. Today, it is the largest navy in the world. Learn about the roles of sailors and their training, and get an inside look at the different types of ships, aircraft, equipment, and weapons the U. S. Navy uses to complete missions around the world.

The U. S. Coast Guard responds to about 20,000 search-and-rescue cases a year. Its members also play an important role in enforcing the nation's laws. Learn about the roles of Coast Guard members and their training, and get an inside look at the different types of ships, aircraft, and equipment this branch uses to complete its important missions around the world.

The Air Force was once a part of the Army. Today, it stands as its own powerful military branch. It relies on highly trained airmen and advanced aircraft to complete missions around the world. Learn about the roles of airmen and their training, and get an inside look at the advanced equipment, aircraft, and weapons the Air Force uses.

Explores the richness of the Amazon rainforest, how humans have damaged it, and efforts being taken to protect it. Clear text, vibrant photos, and helpful infographics make this book an accessible and engaging read.

Explores the richness of the Amazon rainforest, how humans have damaged it, and efforts being taken to protect it. Clear text, vibrant photos, and helpful infographics make this book an accessible and engaging read.

Explores the history and culture of the Aztec Civilization. Eye-catching photos, fascinating sidebars, and a "Contributions" special feature guide readers through the rise and fall of this great civilization, focusing on the people and accomplishments that made it unique.

Explores the history and culture of the Aztec Civilization. Eye-catching photos, fascinating sidebars, and a "Contributions" special feature guide readers through the rise and fall of this great civilization, focusing on the people and accomplishments that made it unique.