"If thirteen is supposed to be an unlucky number...you would think a civilized society could come up with a way for us to skip it." -- from "What's the Worst That Could Happen?" by Bruce Coville No one will want to skip any of the twelve short stories and one poem that make up this collection by some of the most celebrated contemporary writers of teen fiction. The big bar mitzvah that goes suddenly, wildly, hilariously out of...