From Cambridge, Mass., Kenn writes: Our book tour for KFG to Nature of New England will take us through all 6 New England states, October 16-30, with public programs, book signings, media interviews, store visits, etc., so we're going to be somewhat busy for the next two weeks. Our friends Taryn, Lisa, and Katrina at the publishing company, Houghton Mifflin Harcourt, decided that we weren't going to be quite busy enough, so they suggested a challenge: "Why don't you try to identify 350 species of living things while you're traveling through New England?" As evidence of how crazy we are, Kim and I immediately said Yes to the idea. Why not, indeed? New England is loaded with natural wonders; and even in late October, past the main season for butterflies and flowers, after many birds have flown south, we are still going to see a lot of nature over the course of 15 days. So that's our listing challenge: the Book Tour Big 350! We arrived in Boston l