FOR THREE YEARS, I’VE BEEN BLOGGING on A Way to Garden, and for three years, I’ve been watching as Gretchen Rubin—until three weeks ago a stranger to me—manifested her own online community, The Happiness Project, from scratch. From the start, I thought, “this person is on to something,” and sure enough, a Number 1 book of the same name came to be. Just weeks before my own book launched, we finally met, and here’s what happened (with a chance to win one of three copies of Gretchen’s new paperback edition, out today, that I bought to help celebrate her success). Go enter.