I’ve owned only one copy of Henry David Thoreau’s Walden, and I’ve owned it since high school. It’s a 1980 Signet Classic paperback, original price $1.75. Inside the creased front cover, in ballpoint pen, a long-ago student has scrawled, “I want to go to sleep. I’ll never last 1 hr + 20 min reading!” I wasn’t that student—I […]