The third volume of short fiction and nonfiction from the e-zine Eric Flint spun off from his alternate-history hit 1632 (2000) boasts the same combination of charm and intelligence as its predecessors and again has continuing character Anne Jefferson on the cover in less than she really enjoys wearing. Meanwhile, at the end, the nonfiction contributors launch a series of articles on seventeenth-century firearms, a topic almost as confused and shifting...