Porterfield, Jason

"A book for teens about how to begin a career in the field of radiology"--Provided by publisher.

"Examines the steps needed to launch a career in the field of mobile app development, including the skills readers will need and education and training requirements. Readers will learn about potential careers within the programming, marketing, payment, and distribution processes behind mobile apps"--Provided by publisher.

"Describes the process of taking out a mortgage, the various components of such a loan, the responsibilities of the borrower, and the benefits and potential pitfalls of borrowing"--Provided by publisher.

This detailed and informative resource clearly describes the process of taking out a mortgage, the various components of such a loan, the responsibilities of the borrower, and the benefits and potential pitfalls of borrowing.

This book describes the U.S. executive branch, including its history and how it works.

Provides a brief overview of the life of Frederick Douglass, focusing on his escape from slavery, work as an abolitionist, influential writings, and efforts to help other slaves become free.

A brief biography that introduces readers to the NBA basketball player Stephen Curry.

Explores the life of FIFA star Cristiano Ronaldo, focusing on his early soccer days, his draft onto a professional soccer team, and his life outside of soccer.

People have long dreamed of creating machines that can carry out the same tasks as people. These dreams have led to the creation of many sci-fi books, movies, and shows that attempt to depict how people would live with robots, cyborgs, and androids. This compelling book traces the history of robotics as a science, while describing in vivid detail some of the most influential works in all of science fiction, including those by E. T. A. Hoffmann, Fritz Lang, Eando Binder, and Isaac Asimov. Readers will ponder intriguing questions about the ethics of how robots, cyborgs, and androids are used and treated.

Presents a look at the USAF Special Tactics Team, explaining what they do, how to become a part of the special operations group, and the equipment and gear they use; and includes a glossary and list of further resources.