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"Could your teacher be an alien? Bruce Coville&#8217;s funny sci-fi favorite has sold more than a million copies, and has a new look for its twenty-fifth anniversary!Susan Simmons can tell that her new substitute teacher is really weird. But she doesn&#8217;t know how weird until she catches him peeling off his face&#8212;and she realizes that &#8220;Mr. Smith&#8221; is really an alien!At first no one will believe her&#8212;except Peter Thompson, the class brain. When Peter and Susan discover Mr. Smith&#8217;s horrible plans for their classmates, they know they have to act fast. Only they can get rid of their extraterrestrial visitor&#8212;and save the rest of the sixth grade class from a fate that&#8217;s far worse than math tests!"^^<http://www.w3.org/2001/XMLSchema#string>
<http://books.simonandschuster.com/My-Teacher-Is-an-Alien/Bruce-Coville/My-Teacher-Books/9781481404303>