A book about a scientist and by a scientist, Galileo and the Science Deniers is much more than a simple biography.

Astrophysicist Mario Livio tells about the man and scientist as only a scientist could. Galileo Galilei ‘s achievements are placed in the context of present scientific knowledge. His ideas are explained clearly. His struggles hold lessons for today’s climate of science denial. I believe the perspective of a working scientist is very important to this last point.
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Like its Excel counterpart Excel Basics In 30 Minutes, PowerPoint Basics In 30 Minutes is a simple and effective introduction.
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The full title is Excel Basics In 30 Minutes: The beginner’s guide to Microsoft Excel, Excel Online, and Google Sheets. The title both under-promises and over-promises. I felt I got the basics down in an hour or so. But there are several topics in the book that I consider more than basic but someone who wants to do a good bit with Excel might consider basic. It is good that the author decided to include Google Sheets. I happen to have Excel on my computer but many people do not and find Google Sheets a good option.
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