Books by John Powell

What is the difference between a musical note and any other sort of sound? What is harmony, and why does it sound good? Why is it easy to tell the difference between a flute and a clarinet even if they are playing exactly the same note? Why do ten violins sound only twice as loud as one? What is perfect pitch, and do I have it?Discover the answers to these and many other questions in John Powell's charming, straight-talking and ear-opening guide to what music is and how exactly it works. Written by a composer with a PhD in physics, How Music Works is a unique and entertaining guide. Opening up the world of acoustics and the science of music to deepen our appreciation and understanding of what we listen to, How Music Works covers subjects from the difference between how we hear a musical note and any other kind of sound, to a brief history of the scale system, why a run of arpeggios sounds 'romantic' and why a flute sounds different to a clarinet. The perfect book for players and listeners alike.

This companion piece by the best-selling author of Why Am I Afraid to Love contains insights on self-awareness, personal growth and communication with others. It also includes a fresh internal design.

Gardens provoke thought and engagement in ways that are often overlooked. This book explores the philosophical issues raised by art gardens, such as the meaningful encounters of humans, animals and plants in the context of the garden. Tupare, a garden in New Zealand, is used as source material.

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Readers learn what it takes to be a "Proven Player"

Drawing upon history and insight into the current crisis, this book shows that the subprime lending and foreclosure crisis is not an anomaly, especially for people of color; nor is it over. These essays provide a framework for creating equitable policy and ultimately building more stable communities for all Americans.

Treating the cultural giants of the 20th century, this volume traces their reading habits and intellectual development, as well as their contributions to Western culture. Suggesting the literary influences on these figures, the book includes 355 entries on people from a broad range of fields, including scientists, politicians, business figures, writers, religious leaders, and figures from the performing arts and popular culture.The volume is a handy companion to Powell's earlier volume, Biographical Dictionary of Literary Influences: The Nineteenth Century, 1800-1914. Reflecting non-Western influences on Western culture, the volume includes such Asian and African figures as Mohandas Gandhi and Wole Soyinka, while also covering the significant Western figures. As the volume recognizes, forms of cultural influence evolved in the 20th century to include more aural and visual influences. Yet the volume still reveals fascinating literary influences throughout the century.

Over the past two decades, the process of cultural development and, in particular, the role of reading has been of growing interest, but recent research has been episodic and idiosyncratic.

This book traces the development of Ghana's informal engineering sector through stories of the progress of the actual people involved. The first generation of grassroots engineers are wayside vehicle mechanics, or 'fitters', engaged in repairing machinery.

The laser has given manufacturing industry a new tool. Laser cutting leads because it is a direct process substitu tion and the laser can usually do the job with greater flexibility, speed and quality than its competitors. It is a book which managers and technicians in laser job shops and laser processing facilities would be foolish not to read.

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