Aprende todo acerca de los primeros asentamientos de Estados Unidos, las batallas y personas que hicieron de ese país lo que es hoy en día.
Historia de los diferentes grupos de inmigrantes que han llegado a los Estados Unidos.
This book introduces the science and history of drones and missiles in the military, explaining how they work and why they are used.
This book compares and contrasts the FBI and CIA, two agencies whose primary objective is to protect American citizens and uphold the laws of the United States, and covers the origins and history of each.
This book introduces the United States Department of Homeland Security created after the 9/11 terrorist attacks, covering responsibilities such as securing the borders, air travel security, preparing for disasters, and protecting against cyber attacks.
En el libro se explica cómo se puede vivir en casas amigables con el medio ambiente.
Explores electricity from the power plant to your home. Includes how electricity is made, circuits, how we use electricity, and the effects our changing world and weather have on how it works.
Discusses things that rot and break down and things that don't. Investigates how decomposing things may feed insects or animals and help the soil. Discusses recycling.
Explores energy, how we use it, different types and forms of energy, conservation and transformation, renewables vs. non-renewable, and energy conservation.
This book chronicles the acquisition and settlement of the various territories that have not become states but are governed by the United States.
The book chronicles the Spanish exploration and early colonization of America
This book chronicles immigration to the United States, discussing how these immigrants changed America.
This book explores the first settlements that were formed in America, discussing the explorers that made them possible and the reasons for the colonization.
This book chronicles the events that led up to the colonization of the Great Lakes region, discussing the reasons for the settlement of this area and the fate of the native inhabitants.
Chronicles the acquisition and settlement of the various territories that have not become states but are governed by the United States.
Explores the first settlements that were formed in America, discussing the explorers who made them possible and the reasons for the colonization.
Chronicles the Spanish exploration and early colonization of America.
Chronicles events that led to the colonization of the Great Lakes region, the reasons for settlement of the area, and the fate of the Native inhabitants.
Chronicles immigration to the United States, discussing how immigrants changed America.
This book takes a look at suicide bombers, how they commit the ultimate sacrifice for their own religious beliefs, and what is being done to prevent and possibly provide a cure for this particularly murderous form of attack.
Chronicles the Louisiana Purchase, the territory which reached from the Mississippi River to the Rocky Mountains, in 1803.
This book takes a look at the history of various ways to fight terrorism by spying and infiltration, including how high-technology has advanced.
Explains the CIA and the FBI, threats of terrorism, and the potential solutions to rid the world of terrorist attacks.
Explores places where terrorists hide and recruit, why they lead very secret lives, and some of the high-tech responses since 9/11.
Explains the Department of Defense and the State Department, threats of terrorism, and potential solutions to rid the world of terrorism.
