The muscular system gives humans their shape and helps them move their body. This inside guide to our muscles uses relatable examples, discussion questions, sidebars, and fact boxes to dive in to what makes the muscular system work. Age-appropriate language is used in conjunction with detailed photographs and diagrams to explain key concepts such as main muscles in the body, and ways muscles can be strengthened or weakened. Your readers will gain...

Taxes have been part of the United States since its very beginning. Taxes on food, property, and income are often in the news and are often discussed and debated by adults, but young people also need to know the basics about taxes. This guide to an important part of civics education comprehensively explores the definition of taxes, the U.S. tax system, and key taxes affecting modern society. Through photographs, sidebars, fact boxes, and engaging...

Laws and legal systems have existed around the world for thousands of years. These rules give a country structure and keep people safe. However, laws can also be challenged and changed. This volume examines the legal system in the United States, navigating its origins, key players, and modern history. It also challenges readers to think critically about laws through discussion questions. Easy-to-understand language, engaging photographs, interesting...

The human circulatory system is essential for pumping blood throughout a person's body. Without it, humans wouldn't be able to live. This guide explores the main elements of the circulatory system, introduces key parts such as blood vessels and the heart, and examines problems with this system. Complete with fact boxes and intriguing sidebars, accessible language, discussion questions, and descriptive photographs and diagrams, this introduction will...

In Native American history, the Iroquois have earned their place as one of the most democratic alliances with some of the most formidable warriors. United by a language and a desire to improve their lifestyles, the Iroquois Nations helped shape United States history. This book details the story of the Five, and later Six, Iroquois Nations-the Cayuga, the Seneca, the Onondaga, the Oneida, the Mohawk, and the Tuscarora: who they were, how the Iroquois...

Once one of the most well-known and feared tribes in the western United States, the Cheyenne have endured many difficulties since the arrival of settlers in the 1800s. This book discusses the Cheyenne's intricate history, the tradition of their fierce Dog Soldiers, their prosperous and peace-seeking leaders, the hardships they faced as their lands were gradually taken from them and their tribes relocated throughout the United States, and how the Cheyenne...

The digestive system helps humans get the most out of every meal and drink. It also rids the body of unwanted substances. This close examination explains the ins and outs of the digestive system, including its location within the human body, the organs used in digestion, and ways excreting certain materials benefits the human body. Its colorful photographs, diagrams, fact boxes, and sidebars keep readers interested and offer comprehensive insight...

Elections are important events in democratic governments, and voting is a right and a responsibility. Being educated about the election process in an important part of becoming an informed citizen. This book explores the election system, key elections that happen in the United States, and the historic path to securing elections for all. Readers will learn about the ways people work together to ensure elections are free and fair today. Each chapter...