Only OneJoin one girl as she leads her friends to a tree planting ceremony. Along the way, she explains in simple language the value of the universe and Planet Earth. Readers will see the Big Bang, the Milky Way, all the planets in the solar system, as well as Earth's atmosphere, and the life within it: its oceans, trees, bugs, and seven billion human beings. Finally, the girl and her friends plant a tree doing one small thing to help their one special

which features:

and perseverance

Collect the set

you can also enjoy the newest addition to the collection

simply retelling their lives and explaining why their work was important

it serves as an excellent introduction to weather and the atmosphere

Historic paintings

When little Mabel’s bubble gets away from her

and awesome pictures from all ages through history

Find out how the technology works and become an expert in probes

Try philosophy yourself by examining real-life examples that get you thinking

Is it real or just part of her imagination