"The story of Katherine Johnson, an African American mathematician whose work was critical to the first US space flight"--

Come meet the good, the bad, and the ugly-yes, germs! There's so much to discover about germs. Did you know that germs make your stomach growl as they break down your food? Or that they can travel the world on anything from fleas and ticks to trains and buses? Told from the perspective of Sam the Salmonella, this informative picture book introduces young readers to helpful and harmful germs, exploring their discovery; the breakout of historic diseases;...

A lyrical biography of Harriet Tubman honors the woman of humble origins whose courage and compassion make her larger than life, discussing her roles as a slave, a conductor on the Underground Railroad, a nurse, a Union spy, and a suffragist.

Rhyming text follows the numbers from one to ten and back again to describe how a special family quilt is made.

Risking a whipping if they are discovered, Rosa and her mama sneak away from their slave quarters during the night to a hidden location in a field where they learn to read and write in a pit school.

A young girl helps her father, the captain of a whale boat, on a whale-watching trip and relates how her ancestors hunted whales in the same waters. Includes information on the history of whaling, whale-watching, and the conservation movement to ensure the safety of whales.