Mary Kay Carson

Provides twenty-one activities that kids can do to learn about the Uunderground Railroad.

Describes the work of researchers in America's national parks, as they study geysers, grizzly bears, Gila monsters, salamanders, cacti, and fireflies.

"In the 1990s, scientists lived inside Biosphere 2 (Biosphere 1 is the Earth itself) for two years, trying to figure out if colonizing Mars would ever be possible. Now scientists don't live there but instead conduct all sorts of studies and experiments aimed to help us better understand our environment and especially understand what sort of things are happening to it due to climate change and other man-made problems. It's a unique take on the Scientists...

Answers questions about the universe, including why there is life on Earth, how Saturn got its rings, and which planet has a cloud named Scooter.

In July of 2015 a robotic spacecraft reached Pluto after a nine-and-half-year journey. New Horizons is the first spacecraft mission to Pluto and revealed its five moons as never before seen. Images from the mission show a reddish surface covered in ice-water mountains, moving glaciers, and hints of possible ice volcanoes and an underground ocean. Pluto is geologically alive and changing! This addition to the Scientists in the Field series goes...

A guide to Earth that provides facts on the planet's atmosphere, natural disasters, history, and the ways researchers study it.

This book chronicles the efforts of Dr. Merlin Tuttle and his colleagues at Bat Conservation International, as they try and save bat species from loss of habitat and white-nose syndrome.

This gripping book tells kids all about the perilous journey to escape slavery and finally become free: how long it could take, where the fugitives hid, who helped them, how "stationmasters" sent secret messages, and other fascinating details of the legendary Underground Railroad.