#1 NEW YORK TIMES BESTSELLER • This ebook edition contains a special preview of Dean Koontz’s The Silent Corner. Past midnight, Chyna Shepard, twenty-six, g

Ageless Intensity offers a research-backed perspective on how high-intensity exercise can minimize physiological effects of aging. Learn how to structure workou

This is a book about being successful, fulfilled and happy in a world in which you don't always feel you fit in. Many people are emotionally sensitive and inten

The popularity of high-intensity interval training (HIIT), which consists primarily of repeated bursts of high-intensity exercise, continues to soar because its

The advent of instruments capable of measuring sound intensity, which represents the flow of energy in sound fields, has revolutionised audio-frequency acoustic