Gordon says the emphasis on facts separates biography from fiction, but the good biography has to go beyond the facts and probe the unknown life. Her favorites seem to include some thoughtful speculation. She also says that they focus on a particular time or phase of the subjects' lives. There is a place for straight documentation, she says, but biographies that are focused are usually better reading.
It appears that there is a Five Books Interview nearly every day. Recent topics include Spanish and Moorish cooking, memoirs, border story fiction, and elementary education. "Orson Scott Card on Science Fiction" should interest many readers and librarians.