The second book in the Marvelous but True non-fiction series for children by Jan Leyssens and Joachim Sneyers!

A good introduction to the accomplishments of Marie Tharp for young readers. The information given hits the highlights of her mapping and discovery of the Mid-Atlantic Ridge and will lead those interested in geology and cartography to search for further reading. The illustrations are bright and engaging, and complement the text well. - April Gray

In the early part of the twentieth century, the researcher Marie Tharp worked on a detailed map of the bottom of the ocean. And then she made a discovery--a chasm down the middle of the Atlantic Ocean. Could this discovery help prove the age-old theory that the continents on Earth move?

The second book in a series about scientific wonder, now focusing on oceanographic cartographer Marie Tharp! Dreaming, daring, thinking, and doing. For researchers ages 6 and up.