Susan E Goodman

Do you know which ice-age animal had a body similar to a bear's, a short stubby tail, and razor-sharp, 7-inch teeth? A Smilodon! Fierce predators, Smilodons were large saber-toothed cats that lived more than 11,000 years ago-so how do scientists know so much about them? By studying their fossils and the parts of the world where they once lived! Dig through the past to uncover how these remarkable predators once lived-and died.

Describes efforts by scientists to reestablish a whooping crane flock that would spend summers in Wisconsin and winters Florida.

Describes monster trucks.

"A non-fiction travel guide to space tourism that includes information about accommodations, attractions, and more." --

The changing image of one geographic area in New York City is traced from the present back to millions of years ago.

Shares the story of Sarah Roberts and her 1847 case petitioning that she be allowed to attend a white school in Boston, explaining how her heroic efforts established key precedents and paved the way for civil rights advancements.