True book

Maps, a timeline, and photos help provide an overview of nuclear meltdowns around the world throughout history and explain the causes of a nuclear meltdown, the dangers they pose, and the benefits of nuclear energy.

An introduction to pandemics that recounts stories of major pandemics throughout history, providing maps, timelines, and photos, describes the impact of pandemics on the human body and on major populations, and explains how pandemics are spread and contained.

Describes the process of running for a public office, including the planning and organizing of a campaign, the campaign trail, and election day.

Photographs and text introduce scientific concepts related to simple machines, describing the tools used to build ancient civilizations, and providing additional facts, statistics, and a time line of the simple tools used throughout history.

Discusses glaciers, oceans, volcanoes, rocks, minerals, earthquakes, and the history of the Earth.

Introduces different types of rocks and where they are found.

Introduces different types of minerals and where they are found.

Explains what gemstones are, the scale to rank hardness called the Mohs' scale, how stones are weighed, how they are formed, how stones are cut, and non-jewelry uses for gemstones.

An introduction to magnets that explains what magnetism is, how it works, and how it is used in everyday life and provides simple experiments using magnets to help readers understand the scientific concepts presented.

An introduction to electricity that explains what electricity is, how it works, and how it is used in everyday life and provides simple experiments to help readers understand the scientific concepts presented.