Hayes, Amy

Examines what we know about ancient Inca government.

History and geography of the ancient Mayas.

When the Spanish arrived in Peru in the 1500s, they found a highly organized and developed society: the Incas. At the head of the Inca Empire was a sophisticated government that ruled more than 10 million citizens. Written to support elementary social studies curriculum, this title covers the structure of the Inca society's government, including dynasties from 1200 to 1572, important rulers, viceroys, high priests, and governors. Readers also learn about ayllu, laws, and taxes and labor practices. Age-appropriate information and colorful images help readers connect with the material.

Simple text and photographs introduce tractors.

Presents a biography of Ada Lovelace, the brilliant Englishwoman (and daughter of Lord Byron) who developed the first computer program over a hundred years before the advent of modern computers.

"People with disabilities have faced great struggle and inequality. This volume explores the ways in which people with disabilities have fought for their right to equal access, equal opportunities, and equal treatment. Key figures and events are highlighted to give readers a well-rounded sense of the movement. Photographs and primary sources bring the movement to life"--Amazon.com.

Introduces young readers to the traditions, lifestyles, and spiritual beliefs of Native Americans of the Subarctic.

Introduces young readers to the traditions, lifestyles, and spiritual beliefs of Native Americans of the Southwest.

Text and illustartions explore the role civil engineers play in roads, buildings, and foundations, and includes vocational guidance for working in the field.

Inside this volume, readers learn about the life of the first computer programmer, Ada Lovelace. This book covers Lovelace's early childhood, as the highly intelligent and inquisitive daughter of famous poet Lord Byron, as well as her forays into developing the first computer program, over a hundred years before computers as we know them were in use. Readers will learn how Lovelace's work set the stage for other computer pioneers and how it still impacts us today. This engaging biography pairs information-rich text with vivid artwork to give readers a firm grasp on Lovelace's life and legacy. Sidebars and a timeline provide additional information. This biography is an excellent supplement to both STEM instruction and history curricula.