Historical investigation is never easy, but deciphering gay and lesbian history often turns out to be more than usually convoluted. The players lead at least two lives—public and private — and secrets abound. Clues appear in unconventional sources, beyond the library and beyond theory. If you are lucky, the search develops its own momentum. This is how the story of undercover girl Angela Calomiris (1915-95), "Angie" to her friends, whose life was touched by extraordinary events, revealed itself to me.