Larson, Kirsten W

Addresses the obstacles of construction, the impact on society, and the science of engineering such superstructures.

"American colonists used guns to hunt for food and to protect themselves. They believed the ability to bear arms was among their most important rights. How did they come to protect this right? And how does that protection work in today's world?"--Back cover.

"A photo-illustrated book for elementary readers about robots used by the military. Describes drones in the air and sea, robots used for bomb-detection and spying, and how robotic technology helps keep soldiers safe. Explains the history of robotics on the battlefield and the future of fighting robots. Includes Q&A feature, glossary, index, and further resources"--.

"A photo-illustrated book for elementary readers about robots in space. Describes why robots are suited for the risks of space, the data they collect, and what we have learned. Describes the history of robots in space, some missions on Mars and comets, and the future applications of robotic space technology. Includes Q&A feature, glossary, index, and further resources"--.

"A photo-illustrated book for elementary readers about building and competing with robots. Describes the automatons and toys that shaped today's battlebots built with Lego Mindstorms kits, the ways kids are learning to code and programs robots in school, and where robotics may go in the future. Includes Q&A feature, glossary, index, and further resources"--.

"A photo-illustrated book for elementary readers about unmanned aerial vehicles (UAVs), or drones. Describes the history that led to today's drones and the what makes a drone a robot or simply a remote control plane. Explains their role today and possible future applications in the military, commercially, and for fun. Includes Q&A feature, glossary, index, and further resources"--.

The Bill of Rights was written more than 200 years ago, but it's still just as relevant and important today as it was back then. Readers will take a look at what caused the Second Amendment to be born and what effects the amendment has had through history and today.

Describes the life of a US Secret Service agents, including their work catching counterfeiters and protecting the president of the United States.

Describes the life of an FBI officer, including their work capturing terrorists, enforcing federal laws, and investigating crimes.

Describes the life of a CIA officer, including their work recruiting agents and spies, how they gather intelligence, and work to keep the United States safe from terrorism.