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THE CLOCK

TURNING POINT INVENTIONS

This brief history of time and the instruments used to record it begins with the ancient Babylonians and moves forward to more sophisticated devices. Touching on sundials of ancient Egypt, the Heavenly Clockworks of ancient China, and water clocks of the Dark Ages, it concludes with a fascinating discussion on the development of the clock. The text is at times difficult; for example, the careful but complicated description of the verge escapement, anchor escapement, and level escapement will leave most readers behind. But the author tells a good story, weaving in history, invention, and important personalities like Galileo and Huygens, as well as the lesser known—such as John Harrison, inventor of the chronometric clock. This is the first in the Turning Point Inventions series, which “focus on the important inventions we often take for granted.” Historical photographs are used throughout; they are a handsome, excellent addition to the text. The glossy paper and broad white borders make this an attractive work, though picture captions and index are set in a pale gray Futura type so small that a magnifying lens would be helpful. A promising debut for an elegant new series on inventions for older readers. (Nonfiction. 10-12)

Pub Date: May 1, 2000

ISBN: 0-689-82814-4

Page Count: 80

Publisher: Atheneum

Review Posted Online: June 24, 2010

Kirkus Reviews Issue: May 1, 2000

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WEATHER

Remarking that ``nothing about the weather is very simple,'' Simon goes on to describe how the sun, atmosphere, earth's rotation, ground cover, altitude, pollution, and other factors influence it; briefly, he also tells how weather balloons gather information. Even for this outstanding author, it's a tough, complex topic, and he's not entirely successful in simplifying it; moreover, the import of the striking uncaptioned color photos here isn't always clear. One passage—``Cumulus clouds sometimes build up into towering masses called cumulus congestus, or swelling cumulus, which may turn into cumulonimbus clouds''—is superimposed on a blue-gray, cloud-covered landscape. But which kind of clouds are these? Another photo, in blue-black and white, shows what might be precipitation in the upper atmosphere, or rain falling on a darkened landscape, or...? Generally competent and certainly attractive, but not Simon's best. (Nonfiction. 10-12)

Pub Date: Aug. 1, 1993

ISBN: 0-688-10546-7

Page Count: 40

Publisher: Morrow/HarperCollins

Review Posted Online: May 19, 2010

Kirkus Reviews Issue: July 15, 1993

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MONSTER MATH

Miranda’s book counts the monsters gathering at a birthday party, while a simple rhyming text keeps the tally and surveys the action: “Seven starved monsters are licking the dishes./Eight blow out candles and make birthday wishes.” The counting proceeds to ten, then by tens to fifty, then gradually returns to one, which makes the monster’s mother, a purple pin-headed octopus, very happy. The book is surprisingly effective due to Powell’s artwork; the color has texture and density, as if it were poured onto the page, but the real attention-getter is the singularity of every monster attendee. They are highly individual and, therefore, eminently countable. As the numbers start crawling upward, it is both fun and a challenge to try to recognize monsters who have appeared in previous pages, or to attempt to stay focused when counting the swirling or bunched creatures. The story has glints of humor, and in combination with the illustrations is a grand addition to the counting shelf. (Picture book. 3-8)

Pub Date: Aug. 1, 1999

ISBN: 0-15-201835-2

Page Count: 32

Publisher: Harcourt

Review Posted Online: May 19, 2010

Kirkus Reviews Issue: Aug. 1, 1999

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