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.

Dreaming, daring, thinking, and doing. For researchers ages 6 and up.

Early twentieth century. Roald Amundsen plans to travel to the northernmost point of the globe. But after experiencing difficulties with ships and airplanes in polar regions, he needs a new method of travel. For many years, people had flown in airships. Could an airship take him to the North Pole? Would it work in such brutal cold? Eventually, Roald became the first person ever to reach both poles, but history shows it took the work of many people - and some animals! - to make his journey pos...

The third book in a series about scientific wonder. Dreaming, daring, thinking, and doing. For researchers ages 6 years and up.

The seventies.

Astrobiologist Carl Sagan is looking for ways to get in contact with extraterrestrial life. When NASA sends satellites to the back of the solar system —and even further— Carl takes his chance: he launches all kinds of sounds and images from planet Earth into space. How did he do that? And where are they going to end up?