At the start of the Middle Ages, governments were practically nonexistent. Leaders couldn't organize their subjects or protect their borders. Feudalism evolved to bring the leaders and nobility together. Reading Essentials in Social Studies.
This book explains how the Vikings were a civilization of extraordinary explorers and creative craftspeople who influenced much of Western history. Reading Essentials in Social Studies.
This book looks at the geography, history, resources, culture, and people of Australia. Reading Essentials in Social Studies.
This book takes a look at the microscopic organisms, including mold and bacteria, discusses the causes of allergies, and looks at the invention of the microscope. Reading Essentials in Science.
Climate is the normal weather in an area. It includes factors such as temperatures, precipitation, winds, sunlight, and humidity. Climates create habitats such as rain forests, deserts, and tundra. Reading Essentials in Science.
This overview of volcanoes looks at how they form, the destruction they cause, and how scientists are learning to predict eruptions. Reading Essentials in Social Studies.
This book discusses the formation and development of tornadoes, including what scientists study about them, the destruction they cause, and the technology people use to help prepare for their wrath of destruction. Reading Essentials in Science.
This book looks at the geography, history, resources, and people of the Southwest region of the United States. Reading Essentials in Social Studies.
This book introduces the various types of environments in an ocean and along an ocean's shore, including rocky cliffs where hardy plants grow and the underwater communities of the coral reefs. Reading Essentials in Science.
This book discusses how Earth is made of rocks and minerals. Reading Essentials in Science.
This book is an introduction to biomes and ecosystems and provides background for the in-depth discussion of the freshwater river biome. Reading Essentials in Science.
This book discusses the beauty, formation, and history of sedimentary rocks. These rocks cover 75 percent of Earth's surface. Reading Essentials in Science.
This book takes a scientific look at the seasons and weather patterns. Reading Essentials in Science.
This book is an introduction to biomes and ecosystems and provides background for the in-depth discussion of the ocean biome. Reading Essentials in Science.
Oceanography is the study of the ocean's composition, movements, and organisms. Reading Essentials in Science.
The periodic table designed by Dmitri Mendeleev provides a wealth of information about the elements that make up our world. This book presents a study of the development and purpose of the periodic table of elements, explaining why this method of organization is needed and how scientist utilize the information. Reading Essentials in Science.
This book takes a scientific look at natural disasters around the world. Reading Essentials in Science.
This book is an introduction to biomes and ecosystems and provides background for the in-depth discussion of the mountain biome. Reading Essentials in Science.
Cartography is the science of representing the Earth and its features accurately through maps. This book introduces students to the different methods that have been used throughout history to map the world, describing tools used by explorers, past and present, and the different types of maps that have been used from ancient times to the present. Reading Essentials in Science.
Explains the five main types of mountains--fold, fault-block, dome, volcanic, and plateau--and describes how they provide valuable resources for people, farming, mining, and tourism. Reading Essentials in Science.
This book takes a scientific look at the destruction of different habitats. Reading Essentials in Science.
This book explains how geologic time is the timeline of Earth's evolution. Scientists use sedimentary rock layers, fossils, relative dating, and absolute dating to piece together the history of life on the planet. Reading Essentials in Science.
This book takes a scientific look at global warming. Reading Essentials in Science.
This book is an overview on hurricanes, how they form, the devastation they cause, and how meteorologists track these storms with several special types of equipment. Reading Essentials in Science.
This book takes a scientific look at keeping our food and water safe. Reading Essentials in Science.
