

The New Adventures of Pern series was co-authored with Todd McCaffrey. Acorna: The Unicorn Girl, Acorna’s Quest and Partnership were co-authored with Margaret Ball. The Petaybee series, Twins of Petaybee, Barque Cats, Acorna’s Children and all Acorna books following Acorna’s Peoplewere co-authored with Elizabeth Ann Scarborough. Sassinak and Generation Warriors were co-authored with Elizabeth Moon. Notes: The Ship Who Won, The Death of Sleep and all Doona books except for Decision at Doona were co-authored with Jody Lynn Nye. Ron Hubbard Presents Writers of the Future, Vol.

The Penguin Book of Modern Fantasy by Women Moonsinger's Friends: An Anthology in Honor of Andre Norton The New Hugo Winners, 1983-1985 (By: Isaac Asimov,Martin H. The Hugo Winners: The Best of the Best Science Fiction, 1973 (By: Isaac Asimov)

2 (With: Isaac Asimov,Harlan Ellison,Larry Niven,Robert Silverberg,Poul Anderson,Jack Vance,Fritz Leiber) The Hugo Winners, 1968-1970 (By: Isaac Asimov) Stories from The Hugo Winners, 1962-1967 (By: Isaac Asimov) The Hugo Winners, 1955-1961 (By: Isaac Asimov,Robert Bloch)
