My older son will be glad to know that I spent some of a recent 13-hour flight to Abu Dhabi finishing up Rick Riordan’s Percy Jackson series. Part of the pleasure of reading the series, if you’ve ever studied or simply enjoyed hearing the stories of Greek mythology, is seeing how Riordan appropriates and rewrites familiar stories and characters. The second book, The Sea of Monsters, relocates Scylla and Charybdis in the Bermuda Triangle and features a now-blind Polyphemus threatening either to marry or to eat one of our heroes, the satyr Grover. Book 3, The Titan’s Curse, depicts Atlas keeping the sky and earth apart (or, rather tricking someone else into doing it), at the edge of the west: Mt. Tam in Marin County. The next book, The Battle of the Labyrinth,