100 Things to Know about the Unknown: A Fact Book for Kids

by Jerome Martin

What is dark matter? How fast could a T. rex run? How did Mary Queen of Scots keep her dying wishes secret from her enemies?

Scientists and historians have discovered a lot about our past, our future and how the world works, but SO MUCH remains unknown. This exciting information book filled with 100 fascinating and mind-blowing facts explores the edges of human knowledge and the vast world of science just waiting to...

• Format: Hardcover
• Language: English
• ISBN: 1805317865
• ISBN13: 9781805317869
• Release Date: December 2023
• Publisher: Usborne Books
• Length: 128 Pages
• Weight: 1.10 lbs.
• Dimensions: 0.6" x 6.9" x 9.5"
• Age Range: 8 to 11 years
• Grade Range: Grades 3 to 6