![[Testing Your Mettle: Tough Problems and Real-world Solutions for Middle and High School Teachers] (By: Harry Alexandrowicz) [published: March, 2001]](https://m.media-amazon.com/images/I/51ClBuOWMeL._SL500_.jpg)
[Testing Your Mettle: Tough Problems and Real-world Solutions for Middle and High School Teachers] (By: Harry Alexandrowicz) [published: March, 2001]
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