Stronghold: One Man's Quest to Save the World's Wild Salmon

Voices in the Ocean: A Journey into the Wild and Haunting World of Dolphins

The Immortal Life of Henrietta Lacks

Who Is Jane Goodall?

The Sirens of Mars: Searching for Life on Another World

Pox Romana (Turning Points in Ancient History): The Plague That Shook the Roman World

Llama Llama 5-Minute Stories

The Glass Universe: How the Ladies of the Harvard Observatory Took the Measure of the Stars

What the Ermine Saw: The Extraordinary Journey of Leonardo da Vinci's Most Mysterious Portrait

Firebrands: The Untold Story of Four Women Who Made and Unmade Prohibition

Even Cat Sitters Get the Blues

Llama Llama and the Lucky Pajamas

Iron Curtain: The Crushing of Eastern Europe, 1944-1956

Princesses Behaving Badly: Real Stories from History Without the Fairy-Tale Endings

Twilight Falls

Llama Llama Learns to Swim

Joan of Arc: A Life Transfigured