MacKay, Jenny

Provides an overview of the sport's origins and evolution, presenting the scientific principles and concepts relevant to tae kwon do, the biomechanics and physiology involved, and the elements of sports medicine uniquely associated with martial arts athletes.

Examines the evolution and development of online schools, describing the history of alternative learning environments, and explaining both the advantages and drawbacks of online learning.

Describes the art and culture of writing in song.

An exploration of roller coasters, looking at their history, design, construction, appeal, and more.

Provides an overview of the sport's origins and evolution, presenting the scientific principles and concepts relevant to figure skating, the biomechanics and physiology involved, and the elements of sports medicine uniquely associated with figure skaters.

Approximately 7 percent of all teenage girls in the United States become pregnant each year. This book covers the debate of teen pregnancy, options for reducing teen pregnancy and the difficult decisions a pregnant teen has to make.

Providing examples from specific cases, this book describes how professional artists who sketch composites, sculpt facial reconstructions, conduct age progression of old photos, and sharpen blurry images can help forensic teams solve crimes.

This book describes cases involving criminal profiling, such as the I-95 sniper shootings in Washington, D.C., "Green River Killer" Gary Leon Ridgway, serial killer William Heirens, David Berkowitz ("Son of Sam" killer), serial killer Ted Bundy, and serial killer Jeffrey Dahmer.

This book defines different kinds of phobias and presents information on the causes, the challenges, and treatments highlighting virtual reality therapy.

This book discusses amnesia, a word describing any loss of memory, and describes the different types of amnesia, the various causes of amnesia, the tests used in diagnosing amnesia, and the difficulties of living with loss of memory.