101 Things You need to Know — Julie Mullarkey-Gnoy

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: The answer book for school survival is a quick and easy to explore reference packed with answers to your questions!