https://web.archive.org/web/20240318022546/https://kk.org/ct2/heinleins-fan-mail-solution/- Heinlein engineered his own nerdy solution to a problem common to famous authors: how to deal with fan mail. In the days before the internet, Heinlein’s solution was fabulous. He created a one page FAQ answer sheet – minus the questions. Then he, or rather his wife Ginny, checked off the appropriate answer and mailed it back.