Taught to think big by her father who was a mapmaker, Marie wanted to do something no one had ever done before: map the bottom of the Atlantic Ocean. Was it even possible? Not sure if she would succeed, Marie decided to give it a try.Throughout history, others had tried and failed to measure the depths of the oceans. Sailors lowered weighted ropes to take measurements. Even today, scientists are trying to measure the depth by using echo sounder machines to track how long it would take a sound wave sent from a ship to the sea floor to come back. But for Marie, it was like piecing together an immense jigsaw puzzle.Despite past failures and challenges—sometimes Marie would be turned away from a ship because having a woman on board was “bad luck”—Marie was determined to succeed. And she did, becoming the first person to chart the ocean floor, helping us better understand the planet we call home.

    But their differing views on how to run the newly created United States turned them into the worst of friends. They each became leaders of opposing political parties, and their rivalry followed them to the White House. Full of both history and humor, this is the story of two of America's most well-known presidents and how they learned to put their political differences aside for the sake of friendship.

    An iconic figure of the abolitionist and women's rights movements, Sojourner Truth famously spoke out for equal rights roughly one hundred years before the civil rights movement.This beautifully illustrated and impeccably researched picture book biography underwent expert review by two historians of the period. My Name Is Truth includes a detailed historical note, an archival photo, and a list of suggested supplemental reading materials. Written in the fiery and eloquent voice of Sojourner Truth herself, this moving story will captivate readers just as Sojourner's passionate words enthralled her listeners.Supports the Common Core State Standards