Everything that takes up space is made out of matter, whether it’s a person, air, or a mountain. This volume covers the fundamental concepts students need to understand matter. Fact…

Negotiation is not just a technique for business in the boardroom. It is a crucial skill everyone already has, and it can be honed into an effective tool. In this…

Charles Darwin lived in the Victorian era, a time of great change. Many people were debating how life on Earth began. In his twenties, Darwin went on a five-year sea…

A bully who uses violence to inflict harm will often choose victims who can’t or are afraid to fight back. This makes their acts of physical abuse difficult to combat…