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PUB DATE May 2011 —Why did the cities of Seattle and Portland develop where they have? To understand that, you must understand why and how the Columbia River flows where it does, and how Puget Sound formed. |
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"…This tidy kid-friendly book is crammed with activities and information on chemistry ... Lots of science information is mixed with the how-to of the projects and there is hardly a blank space on a page anywhere in the book. ...A very nicely done and reasonably priced collection." —Gwynne Spencer , Children’s Literature Fall 2008 |