Sun God, Moon Witch
Runner-up for the Canadian Library Association's Book of the Year for Children (1986)
Whalesinger
Short-listed for the Governor General's Award (1991)
Nominated for South Carolina Young Adult Book Award (1994-95)
Society of School Librarians International Best-Book List (1991)
'Pointer' review in Kirkus, January 1991
False Face
Winner of the International Children's Fiction Contest (1987)
Short-listed for the Governor General's Award (1988)
Nominated for Ontario's Trillium Award (1988)
Winner of the Max and Greta Ebel Award (1988)
Short-listed for the South Carolina Young Adult Book Award in (1990-91)
Junior Library Guild (New York) selection (1988)
Short-listed for the Ruth Schwartz Award
American Bookseller's "Pick of the Lists"
A Toronto Public Library "Best Book"
A School Library Journal "Best Book of the Year"

Welwyn, with daughter Meredith Katz (left) and step-daughter Aurora Bangarth (right) in high spirits after winning the Ruth Schwartz Award for her book Out of the Dark
The Third Magic
Winner of the Governor General's Award (1988)
Society of School Librarians International Best-Book List (1990)
Runner-up for the Canadian Library Association's "Book of the Year for Children" (1989)
Short-listed for the Ruth Schwartz Award
Come Like Shadows
Short-listed for the Canadian Library Association's Young Adult Book Award (1993)
A Resource Links Bestseller (1995,1996)
New York Public Library: Books for the Teenage (2002)
Out of the Dark
Short-listed for the Governor-General's Award (1995)
Winner of the Ruth Schwartz Award (1996)
Short-listed for the Mr. Christie Award (1996)
Short-listed for the Blue Heron Award (1996)
Short-listed for the Red Cedar Award (1998)
Short-Listed for the Canadian Library Association's Young Adult Book Award (1996)
A Resource Links Bestseller (1995,1996)
Time Ghost
Won the Notable Science Fiction for YAs award, as decided by Carolee Saunders.
Beowulf
Nominee for the Red Cedar Book Award (2002)