"A look at the origins, leaders, growth, and management of the NFL, the professional football league that was formed in 1920 and today governs 32 teams throughout the United States"--Provided by publisher.

"An elementary exploration of stag-moose, focusing on fossil evidence that helps explain how their wide antlers and sharp hooves helped these beasts adapt to the last Ice Age"--

Presents the history of the New Orleans Saints, a professional football team, from its beginning in 1967 to the present.

"An introduction to the life and era of the fearsome, carnivorous dinosaur known as Tyrannosaurus rex, starting with the creature's 1902 discovery and ending with present-day research topics"--Provided by publisher.

"An elementary exploration of mammoths, focusing on fossil evidence that helps explain how their big tusks and shaggy fur helped these plant-eating beasts adapt to the last Ice Age"--