Anthropologists, scientists who study humans and their ways of life, are continually finding and interpreting artifacts left by our earliest ancestors. They have helped us understand our origins as well as the intriguing cultures that developed as humans spread across Earth. This volume is a concise introduction to this diverse and fascinating field. Readers will learn of the various branches of anthropology, including archeology and biological anthropology,...

Without harvesting machines to gather crops when they're ready, farming would be much more difficult and time-consuming. In the pages of this brightly designed book, budding farmers will love learning how these amazing pieces of equipment operate through clear and accessible language and vivid photographs of machines at work. Fun fact boxes add more interesting information throughout the narrative, while a concluding activity helps readers review...

"Tractors may be slow on roads, but don't be fooled. They're mighty machines specially made to pull extremely heavy loads as well as provide power to farm equipment. Readers will love learning about one of their favorite big machines in the bright pages of this motivating volume. The friendly, accessible text and fun fact boxes are carefully paired with vivid photographs of tractors in action. An attention-grabbing concluding activity reinforces key...

Examines all types of snakes, how they help the environment, how they keep warm, and what they eat.

This book introduces lions, tigers, leopards, and cheetahs, describing their physical characteristics, behavior, and endangered status.

Examines a variety of sharks, habitats, what they eat, babies, and behavior.

"Understanding place value is the key to comprehending large numbers and to learning strategies to easily add and subtract such numbers. In this fun book, readers will practice place value skills presented by the monsters called ogres! Delightful illustrations and intriguing folklore fact boxes accompany the achievable text. Readers will also answer math problems throughout the motivating volume, allowing them to assess their understanding of the...

Contains an introduction to the mathematical concepts of commutative, associative, and distributive properties, by chronicling the expedition of climbing Mount Everest.

This book discusses the problem of hoaxes and offers advice on how people can protect themselves, their computers, and other people.