Paperback in Very Good (VG) condition. Clean and straight. 

What's the difference between heat and temperature? Who was our twenty-sixth president? How do you figure out the circumference of a circle? Who made the first national flag? What is a bar graph? Where do you place the colon in a business letter? Why do earthquakes happen?

101 Things You Need To Know is a quick and easy-to-explore reference packed with answers to your questions!