MATHEMAGIC!

NUMBER TRICKS

Stun friends and family members by guessing secret numbers and doing painless long division. Dice and card tricks and finger multiplication are among the fascinating tricks potential mathemagicians will learn to perform. But Colgan goes beyond the ordinary by giving an in-depth, easily understandable explanation of the math behind each trick, as well as any history that might be applicable, too. Not only will readers learn how to multiply large numbers in their heads, they will learn why this trick works and that the early Egyptians used the very same method. Prime numbers, Napier’s bones, division dowels, the binary number system and factoring are just a few areas they will explore. Kids won’t stop with just learning the tricks—the emphasis is on performing them, and the author does a great job of giving tips for a magical performance that is not only believable but entertaining as well. Backmatter includes a glossary, but the language used in the definitions is more advanced than that used in the text, and the terms used within the entries are not always themselves defined. Kurisu’s illustrations emphasize the performance side of mathemagic, showing potential performers how to successfully set up or follow through with specific tricks. Colgan makes math cool, and that speaks for itself. (Nonfiction. 10-14)

Pub Date: March 1, 2011

ISBN: 978-1-55453-425-8

Page Count: 40

Publisher: Kids Can

Review Posted Online: April 5, 2011

Kirkus Reviews Issue: Feb. 15, 2011

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SKYWALKERS

MOHAWKS ON THE HIGH STEEL

Weaving together architectural, engineering and Native American history, Weitzman tells the fascinating story of how Mohawk Indian ironworkers helped construct the sprawling bridges and towering skyscrapers that dominate our urban landscape. The book begins with a brief but informative history of the Kanien'kéhaka—People of the Flint. Leaders in establishing the League of the Iroquois, a confederation of Indian nations in the New York region, Mohawks had a longstanding reputation for their sense of tight-knit community, attraction to danger and love for physical challenge, qualities that served them well when hired in the late 1800s to do the most arduous work in railroad and bridge construction. With the advent of the skyscraper, Mohawks possessing agility that seemed gravity-defying worked hundreds of feet above the ground. They were not immune to tragedy, and the author discusses in detail the collapse of the Québec Bridge that killed 31 Mohawk workers. Illustrated with black-and-white photographs that capture the daring spirit of these heroic workers, the concise, captivating account offers great insight into the little-known but considerable role Native Americans played in our architectural and engineering achievements. (glossary, bibliography, source notes, index) (Nonfiction. 10-14)

Pub Date: Sept. 14, 2010

ISBN: 978-1-59643-162-1

Page Count: 128

Publisher: Flash Point/Roaring Brook

Review Posted Online: July 30, 2010

Kirkus Reviews Issue: Aug. 15, 2010

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Misleadingly titled but broader in scope and less Eurocentric than standard surveys.

A JOURNEY THROUGH ART

A GLOBAL HISTORY

A world tour featuring select highlights of human culture, from 37,000-year-old rock paintings to modern murals and architecture.

Title notwithstanding, after a visit to the prehistoric petroglyphs at Nawarla Gabarnmung in northern Australia (and with a 19th-century stop at Haida Gwaii for a gander at Pacific Northwest Native woodcarving), Rosen focuses more on cities or large settlements and urban ways of life through the ages than on specific works or styles of art. His itinerary is determinedly “global,” though, covering every continent but Antarctica from 13th-century B.C.E. Thebes to art and architecture created for the 2016 Rio Olympics. Each stop along the way opens with an overview of the site and its distinctive character accompanied by a wide-angle picture painted by Dalzell and dotted with tiny clipped photos of statues or other figures. On the following spread further concise observations on customs and culture accompany three or four smaller (sometimes, alas, minuscule) photos of significant monuments, artifacts, or paintings with explanatory notes. Though the author hustles readers past the Rosetta Stone and Leonardo’s Vitruvian Man without benefit of visuals, a satiric Egyptian papyrus offers an eye-opening treat—and in more recent times he boosts the presence of women among his sparse tally of artists by, for instance, pairing works of Judith Leyster and Rembrandt, Mary Cassatt with Claude Monet.

Misleadingly titled but broader in scope and less Eurocentric than standard surveys. (glossary, index) (Nonfiction. 11-14)

Pub Date: April 3, 2018

ISBN: 978-0-500-65101-8

Page Count: 144

Publisher: Thames & Hudson

Review Posted Online: Feb. 19, 2018

Kirkus Reviews Issue: March 1, 2018

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