There are those who shop—and then there are those who hunt. Jenny Walton has long belonged to the latter camp, the kind of vintage collector who remembers not just what she bought, but where she found it, what she was wearing when she stumbled upon it, and—crucially—why it mattered. In her debut book, Jenny Sais Quoi (out April 29), Walton invites readers into that deeply personal process: part scrapbook, part sketchbook, part sartorial manifesto—though, as she writes, “this book is in no way a guide.”