Everyone in twelve-year-old Hale's family is a spy, going way back. They've all worked for the Sub Rosa Society, an elite organization that's so top secret that new agents aren't recruited; they're born. His parents may be the ultimate spy team at SRS, but Hale isn't your typical stealthy spy-he is, as his mother puts it, "big-boned," and as some of his classmates put it, "fat." Still, he's convinced he will someday be a great field agent. After...