Summer is almost here, and it's time to find some light vacation reading. If you're a fan of light fantasy and haven't tried The Iron Druid series by Kevin Hearne, I'd suggest you give them a look. The basic premise is that the main character, Atticus O'Sullivan, is the last Druid, and he's 21 centuries old. He's hardly an old fogey, though. He uses his herb lore to brew a tea that keeps him young and looking about 21. He's got a sidekick, an Irish wolfhound named Oberon, and the exchanges between Atticus and Oberon are among the best parts of the...