"Alyssa Harad always considered herself practical, earnest, and bookish. She was a proud feminist, a Birkenstock wearer, and a religious recycler; the only interests in which she came anywhere near self-indulgence were food and cooking. Until she chanced upon a blog and read a new kind of review--not of a novel or a recipe but of a perfume. How frivolous and girly, she thought at first. And yet, months later, she noticed she had begun to heard vials...