The Flint Heart by Katherine Paterson

"Many years ago, oh, let's say five thousand, more or less, there lived in the south of England, in what is called Darmoor, tribes of people who had never thought to make anything out of metal, much less plastic."

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A magical amulet brings power and despair to those who touch it. A robust and wildly entertaining fairy tale, freely abridged from Eden Phillpotts's 1910 fantasy.

Candlewick Press; 288 pages