Authors:

If the book is a mystery to its author as she's writing, inevitably it's going to be a mystery to the reader as he or she reads it.

"Conversation: Nicole Krauss’ ‘Great House’". Interview with Jeffrey Brown, www.pbs.org. October 22, 2010.
If the book is a mystery to its author as she's writing, inevitably it's going to be a mystery to the reader as he or she reads it.