The oldest paintings in the Cave of Altamira are more than 20,000 years old! Created by early hum...

'Engaging images accompany information about UFOs. The combination of high-interest subject matte...

'Developed by literacy experts for students in grades three through seven, this book introduces y...

'Developed by literacy experts for students in grades three through seven, this book introduces y...

'Developed by literacy experts for students in grades three through seven, this book introduces y...

Ancient Rome still influences our world! The civilization's architecture, language, and governmen...

'Simple text and full-color photography introduce beginning readers to North America. Developed b...

'Presents readers with the most important inventions in history, from the wheel to the Internet'

Adventurous travelers will have a blast visiting South America. Crocodiles swim along the Amazon ...

Examines the life and career of Thomas Jefferson.

'Presents readers with the most important scientific advances in history, from the idea that Eart...

Take a trip to the mountains of Southeast Asia and discover the culture of Laos! This diverse cou...

The Wright Brothers famously made the first flight in Kitty Hawk, North Carolina. But the history...

After years off the production line, the Dodge Charger R T reappeared in 2005, in a much differen...

'Engaging images accompany information about light bulbs. The combination of high-interest subjec...

'Images accompany information about Canada. The combination of high-interest subject matter and n...

Earths highest and lowest surface points can be found in Asia, the largest continent. Travelers f...

'Simple text and full-color photography introduce beginning readers to the Pacific Ocean. Develop...

The 20th century approaches, and life is about to change forever! Inventors across the world race...

Which was more destructiveHurricane Katrina or the eruption of Mount Vesuvius? Put historys natur...

The islands of Hawaii differ greatly from the other 49 states. Formed by volcanic activity in the...

'Simple text and full-color photography introduce beginning readers to Asia. Developed by literac...

Emerald tree boas are an electrifying sight! Sporting a pattern of lightning bolt shapes down the...

Vietnam is a small country with stunning natural beauty. Many national parks stretch across the l...

Up for almost any job, a tractor is a dependable farmhand. This field machine plows, plants, and ...

Reports of Bigfoot go back to the early 1800s. Since then, several footprints, films, and picture...

As the only continent with every climate present, North America hosts an amazing variety of plant...

Thousands of years ago, royals gathered in the luxurious Palace of Knossos. Today, the palace is ...

Madagascar, the Nile River, and the Sahara Desert are just a few memorable places in Africa! With...

-Engaging images accompany information about the Chevrolet Camaro Z28.

Not even a century ago, a computer took up an entire room. Today, a computer can fit inside your ...

For hundreds of years, travelers have braved the waters of the Atlantic Ocean, often trying to st...

'Simple text and full-color photography introduce beginning readers to the Atlantic Ocean. Develo...

The 12 Most Influential Scientific Discoveries of All Time

The modern world still benefits from the inventions of ancient China! Modern paper, compasses, an...

'Explore[s] the Titanic's history, from when it was built to its resting place on the ocean floor...

Madagascar, the Nile River, and the Sahara Desert are just a few memorable places in Africa! With...

Burmese pythons live in a big way. Growing up to 23 feet long and 200 pounds, these sizeable snak...

Since its debut in the 1960s, the Porsche 911 Carrera has been a shining star of the sports car w...

'Engaging images accompany information about ancient Egypt. The combination of high-interest subj...

Covering nearly one-third of Earths surface, the Pacific Ocean is a treasure trove of natural res...

Explains the equipment, skills, and techniques needed for fly-fishing. Vibrant photographs and cl...

Young readers learn about the geography and culture of Missouri.

Does a giant sea monster live beneath the surface of Loch Ness in Scotland? Reachers have used ca...

A country and a continent, Australia is home to bizarre wildlife such as platypuses, emus, and wo...

Not even a century ago, a computer took up an entire room. Today, a computer can fit inside your ...

You might think spitting cobras are named for their poor table manners. The truth is they get the...

Ancient Rome still influences our world! The civilization's architecture, language, and governmen...