"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.

"A simple introduction to the New York Yankees major league baseball team, including its start in 1903, its World Series triumphs, and its stars throughout the years"--Provided by publisher.

"A young explorer's introduction to California and Nevada's Death Valley National Park, covering its desert landscape, plants, animals such as desert tortoises, and activities such as bird-watching"--

"An elementary exploration of monster birds, focusing on fossil evidence that helps explain how their wide wings and long feathers helped these beasts adapt to the last Ice Age"--

"An elementary exploration of saber-toothed cats, focusing on fossil evidence that helps explain how their sharp, curved teeth and short legs helped these beasts adapt to the last Ice Age"--