A thunderstorm evokes a boy's family traditions, in this rainy-day story from award-winning author Melanie Florence. Benjamin loves the rain. He loves splashing through puddles in his bright yellow rain boots and watching the colors of a rainbow in the water as they ripple around his feet. But most of all, Benjamin loves thunder. To him, thunder --- piyêsiwak --- sounds like his grandfather's drum. It calls to him, like the songs his grandfather plays while his father and ot