Appo: Recollections of a Member of the Sydney Push, by Richard Appleton; Darlington Press/Sydney University Press, 2009, 300 pages, $35. You always remember your first love. For years I had been searching for my golden girl from the Sydney University Quadrangle. In London a friend gave me her phone number. “Valerie!” I shouted happily. “It’s me—Bill!” A quavering voice replied, “Bill, I’m not too well. I don’t get out much these days. Do you mind if I don’t see you?” The launch of Appo in the Fisher Library at Sydney University was packed. Ponytails do not sit well on the…