Little Scientists: 100 Great Unknown Discoveries

A brand new creation in the Little Scientist series

Ignite Curiosity X Inspire Imagination X Stimulate Critical Thinking

How much do you know about everything in the universe?!

The more we know, the more we realize there's more we don't know!

100% Cool illustrated knowledge you'll want to share with friends!

Let's explore the boundaries of knowledge and discover amazing unknowns together!

From ancient times to the present, 100 of the most interesting and unanswered questions—all the things you'd rather not know, might not know, and definitely don't know—are all here! You'll discover:

★The untold secrets! Ancient Romans wrote classified information with urine! Solving prime number problems could trigger a series of crimes?

★A grand exploration of curiosity! Why do we dream? Did the Easter Island statues "walk" to the coast themselves? How will the universe end?

★Some mysteries may never be solved, but one day in the future, you too might solve a difficult problem that no one has conquered yet!