Ok, here's who I've researched so far:

The denotes that this author is completed.
Anthony, Piers	Asimov, Isaac	Auel, Jean
Axler, James	Bishop, Claudia	Brooks, Terry
Castle, Jayne	Craig, Emma	Dailey, Janet
Davis, Justine	Deveraux, Jude	Duncan, Alice
Duncan, Lois	Feather, Jane	Garwood, Julie
Glass, Amanda	Green, Simon R.	Harper, Tara K.
Harrison, Harry	Heinlein, Robert	Howard, Linda
James, Stephanie	Koontz, Dean	Krentz, Jayne Ann
Lackey, Mercedes	Lewis, C. S.	Lindsey, Johanna
Lowell, Elizabeth	Maxwell, Ann	McCaffrey, Anne
McNaught, Judith	Montgomery, L. M.	Morsi, Pamela
Phillips, Susan Elizabeth	Pike, Christopher	Quick, Amanda
Rice, Anne	Robb, J.D.	Roberson, Jennifer
Roberts, Nora	Sandford, John	Saul, John
Scarborough, Elizabeth	Shayne, Maggie	Stasheff, Christopher
Tolkein, J. R. R.	Wilson, Rachel	Wrede, Patricia
Yolen, Jane
Conan Books	Assorted Others