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The exercises are really helpful and I liked the way the authors recommend that you read the book first, then go back through and do the exercises. In summary, if you let it, this book can really make a difference in your life.
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As a former drive-in projectionist it is very satisfying that a place we all called home is being recognised before it vanishes forever. In Australia each major city has only a few drive-ins left. Let them remain as a link to our past and bring joy to the faces of a new generation in the back seat.
David Kilderry Melbourne, Australia
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The authors incorporate a discussion of the physical processes that drive volcanic activity with vivid descriptions of historic eruptions. The book includes nine well-chosen case studies that highight differences in type, intensity and effects of eruption. The authors vividly describe the effects of volcanic eruptions on natural and human environments, human history and human behavior. Throughout the book are highly explanatory yet simple illustrations of the natural processes at work and the specific volcanoes under study.
The authors convey the inspiring power of volcanic acitivity and place natural and human impacts within short and long-term perspectives. This book is clear and informative science coupled with thought provoking history and engaging human interest.
From plate tectonics and environmental impact, to entertaining stories of the effects of volcanic eruptions on art and literature or the creation of mythology, to thought-provoking effects on human life, migration and economic decline - its all here.
This book explores nine volcanic eruptions, diccussing the geological setting in terms of plate tectonics; the theory that virtually rigid segments of the earth's crust move about over a less rigid layer and collide, and that the collisions give rise to earthquakes and volcanic activity. Then the book goes over the human terms following the aftereffects of volcanic eruption.
Volcanism is the surface manifestation of a living earth, the author likens a volcanic eruption as the plucking of a long tight-stretched string representing time: when the string is plucked it vibrates. Where the string is plucked is the volcanic activity or eruption where a great deal of energy is being released, the vibrations will have high amplitudes and short wavelengths. These vibrations will be powerful, but only last for a short time. But, as the vibration flows down the string (time), the amplitudes will decrease and the wavelengths increase, whithat the aftereffects will become less intense and they will last longer. The eruption will last days, volcanic aftereffects will last months, Climate change, Famine, epidemics, diaspora will last years; Economic and ecologic revival will last decades, and cultural effects will last centuries.
The books narrative is easy to read and is very understandable making this subject easy to understand. Most of us see a volcano erupt on the news and that is all we know until the news shows us another eruption. What we are not given is the far-reaching effects of what is really happening within the earth. Volcanism is the earth's way of renewing itself and releaving the tremendous pressures from deep within.
Reading this book will give the reader a greater appreciation about what really goes on, on the earth we walk upon. As the population of the earth increases, the effects of volcanism will be magnified, it is crucial that we understand the origin of volcanism as well as the devastation it can cause, and the aftereffects, for good or ill, that can linger for years, even decades, to come.
This is an incrediblly well-told story that is informative but nontechinical.
Surprisingly, volcanic effects are not all bad. Volcanic soils are very fertile, and we use plenty of minerals of volcanic origin. The gases from volcanoes made the Earth's atmosphere before photosynthesis took over. Many geologists think that all the water on earth was originally released by volcanoes. The book shows a very interesting aspect of Hawaii, in that it is in the middle of the Pacific plate, not near the edges where the plates are barging into each other and which are the usual sites of volcanic activity. The plate carrying the islands is floating slowly over a particular hotspot, which pokes up as the plate floats over it, and gives rise to the familiar Hawaiian Island chain. Iceland is on such a hotspot, too, and besides that, it straddles the Mid-Atlantic ridge, where the ocean floor is being split apart as the plates separate at about two centimeters a year. The Bronze Age eruption of Thera in the Mediterranean directly weakened Crete, which permitted the Greeks to expand into the area; Mycenaean Greece was given the boost that made it the ancestor of classical Greece, with incalculable effects on the entire Western civilization ever since. Mount Pelée's explosion in Martinique in 1902 stopped an election that would have furthered the political advancement of black and mixed-race people on the island, and throughout the French colonies. The list of contingencies is fascinating.
All of the volcanoes described here are still active; we have not heard the last of them, and perhaps there is someday going to be a blast like that in Toba in the Pacific 74,000 years ago, which was thousands of times bigger than Mount St. Helens, and may have affected human evolution. This surprising, informative book is a useful look at how volcanoes effect land, sea, humans, and society. Even those of us not under the shadow of a volcano are living in the volcano zone.
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To articulate a compelling vision of the future is critical, but not sufficient. To devise a sound strategy for achieving the vision is critical, but not sufficient. To enroll and equip the workforce to diligently and collaboratively implement the strategy is critical, but not sufficient. Dr. Sanders reminds us that this is the essence of leadership. Further, these are not discreet events, but rather elements of a continuous process; and truly effective leaders understand that different skill sets are required at various stages of the process.
If you want to improve your business game (and perhaps your golf game, as well), join Dr. Sanders in this interesting, enlightening, informative, and often entertaining trip through the world of leadership. Learn to use his tips and techniques to reduce your business handicap as you play the "holes" on his challenging course. You don't have to be a golfer to benefit from this book; anyone seeking to improve their leadership effectiveness can profit from its lessons. But remember: just as your golf game (or any other skill, for that matter) won't improve without practice, your effectiveness as a leader will only improve to the extent that you put the lessons into practice. So don't just read the book, implement the "how-to's."
Great book; interesting and easy reading; comfortable style.
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