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What's the Difference?


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About the Author

Joan Waites (What's the Difference? and What's New at the Zoo?) has been a freelance illustrator for the past 18 years. She received a Bachelor of Science degree from DeSales University in 1982. Employment followed for 15 years as a neo-natal intensive care nurse in Philadelphia and Washington DC, while she simultaneously returned to college to study illustration and launch her freelance career. In addition to What's the Difference? and What's New at the Zoo?, Joan has illustrated nearly 40 books for the educational and trade marketplace. She is also an adjunt faculty member of The Corcoran Museum School of Art and Design in Washington, DC, where she teaches various children's classes for the college's -Aspiring Artists- program. Visit Joan's website: http: //


Gr 1-3-More than math concepts are explored in this picture book that combines subtraction with animal facts. Each spread features rhyming text about an endangered animal, a math problem, and a useful paragraph explaining why the featured animal is/was endangered. "Six silly prairie dogs/frolic most the day. One guards the colony./How many dogs at play?" is matched with "6-1 = ?" Twelve animals are explored in this fashion, and the text culminates with the explanation that it is up to "kind, caring people" to help the creatures survive. In fact, each muted watercolor illustration features a person somewhere on the spread. The book concludes with a "For Creative Minds" section that contains "Endangered Animal Vocabulary," "Food Chains & Webs," "Missing Links in Food Chains," and questions that can be answered by reading the text.-Stacy Dillon, LREI, New York City Copyright 2010 Reed Business Information.

As we read about what is being done to help endangered animals, we can be made to hope that no more species will be -subtracted- from the circle of life on earth. - Home School Book Review
Public and school libraries would find this a useful title for their collection, as would nature centers, museums, or the book lists of environmental, nature, or outdoor educators. - ALA Social Responsibility Roundtable
You will learn how many of these creatures became endangered, what is being done to protect and keep them safe, and in some cases, you'll find out if their numbers have increased. - Puget Sound Council for the Review of Children's Media

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