Books with author Jason Porterfield

Cristiano Ronaldo has been one of the most captivating stars in professional soccer since his 2003 debut with Manchester United. From leading Real Madrid to championship wins to starring for Portugal's national team, he has become one of the sport's greatest scorers. This captivating biography covers his impoverished childhood, his development as a superstar, and his many acts of charity. Readers will be inspired by the hard work and determination it took for him to become one of the greatest soccer players in the world.

In some parts of the world, earthquakes are a serious threat to cities and towns. Their destructive power and unpredictable nature give them the power to bring about widespread devastation. Earthquake engineering is a branch of engineering that is dedicated to limiting the damage that quakes can bring. By working to establish guidelines and standards, earthquake engineers can help reduce the risk of injuries caused by collapsing structures. This resource describes how earthquakes occur and the disciplines that go into earthquake engineering, while examining some of the engineering principles that go into designing strong and resilient buildings.

This book uses graphic organizers to examine the competition for resources necessary for survival for members of the same species and among different species. Featuring twenty colorful graphic organizers that underscore the age-appropriate body text, this book shows the various interactions and competitions between species and provides solid examples to which the middle school student can easily relate.