Susan Jeffers, who was the copy editor for Order of the Phoenix through Deathly Hallows, recently spoke with her local newspaper about how Scholastic kept the contents of the books secret prior to their launch dates:
As the magnitude of the series grew, Scholastic began instituting greater security measures for the books. About the time Susan got the job of copy-editing book five, things had gotten very tight.
“We had a secret location in which we would work on the book,” she says. “Several people had access to that room. Nobody else knew where we were or who was involved.”
Did people who knew that she worked for Scholastic bug her about plot details? “You have no idea,” she says.
Read the entire article at this link. Thanks for your contribution to the series, Susan!