Laura K. Murray Libri

From shortest to tallest and biggest to smallest, this ecosystem investigation uses varying degrees of comparison to take a closer look at the relationships of prairie flora, fauna, and landforms.

From shortest to longest and biggest to smallest, this ecosystem investigation uses varying degrees of comparison to take a closer look at the relationships of river flora, fauna, and landforms.

Find out facts about the 16th president's early life, challenges, and major accomplishments.

A look at the origins, leaders, growth, and innovations of Southwest Airlines, the low-fare airline that was founded in Texas in 1967 and today carries more than 100 million passengers annually.

How much do you know about George Washington? Find out the facts you need to know about the 1st president of the United States. You'll learn about the early life, challenges, and major accomplishments of this important American.

How much do you know about Thomas Jefferson? Find out the facts you need to know about the 3rd president of the United States. You'll learn about the early life, challenges, and major accomplishments of this important American.

How much do you know about Franklin Roosevelt? Find out the facts you need to know about the 32nd president of the United States. You'll learn about the early life, challenges, and major accomplishments of this important American.