Question: Joyce Carman Barkhouse, was a children's writer, of which nationality, best known for writing historical fiction, and is the aunt of Margaret Atwood, a Canadian poet, novelist, literary critic, essayist, inventor, and environmental activist?

Context paragraphs:
Shannon E. Hengen: Shannon E. Hengen, Ph.D., is a literary critic and professor of Canadian and women's literature at Laurentian University, Ontario, Canada where she formerly served as chairperson for the Department of English.  Her specialities include dramatic comedy, aboriginal theatre, contemporary feminist writing, and Margaret Atwood.  The theory that most informs her work involves performance, carnival, and gender.  The aspect of literary style that most concerns her is voice, and the theme that most intrigues her at present is marriage.  She has written or edited numerous books.

David Donnell: David Donnell (born 13 October 1939) is a Canadian poet and writer.  Born in St. Marys, Ontario, Donnell moved to Toronto, Ontario in 1958 before publishing his first book.  Poems (1961), During this period Donnell frequented the Bohemian Embassy, where Margaret Atwood, Gwendolyn MacEwen, Milton Acorn, and other poets established their reputations.  In conjunction with John Robert Colombo, Donnell printed Atwood's first book "Double Persephone" (1961)

Joyce Barkhouse: Joyce Carman Barkhouse {'1': ", '2': ", '3': ", '4': "} (May 3, 1913 – February 2, 2012) was a Canadian children's writer best known for writing historical fiction.  She is the aunt of Margaret Atwood, with whom she co-wrote the children's book "Anna's Pet".  Barkhouse achieved her greatest recognition for her novel "Pit Pony."

Petru Manoliu: Petru Virgil Manoliu (] ; January 28, 1903 – January 29, 1976) was a Romanian novelist, essayist, and newspaper editor.  Shaped by philosophical readings, marked by a sense of anxiety and the influence of André Gide, much of his early literary work falls into the category of "Trăirism".  These traits are complemented by Manoliu's activities in cultural journalism, alternating between contributions to left-wing papers and support for the far-right and mystical philosophy of Nae Ionescu.  By the time of World War II, he had also begun writing historical fiction and plays, penning anticommunist and anti-Soviet articles in the central newspapers.

Garrison mentality: The garrison mentality is a common theme in Canadian literature and Canadian cinema, in both English Canada and French Canada.  In texts with the garrison mentality, characters are always looking outwards and building metaphorical walls against the outside world.  This mentality is assumed to come from part of the Canadian identity that fears the emptiness of the Canadian landscape and fears the oppressiveness of other nations (especially the United States).  The term was first coined by literary critic Northrop Frye and further explored by author Margaret Atwood, who discussed Canada's preoccupation with the theme of survival in her book "".

Margaret Atwood: Once in August: Margaret Atwood: Once in August is a 1984 documentary film about Canadian writer Margaret Atwood, directed by Michael Rubbo and produced by the National Film Board of Canada (NFB).  The film was made in Rubbo's trademark style of self-conscious documentary filmmaking or metafilm, with Rubbo foregrounding the creative process in making the film, including his frustrated attempts to uncover autobiographical influences in Atwood's work.  It was his last film with the NFB.

Graeme Gibson: Graeme C. Gibson, {'1': ", '2': ", '3': ", '4': "} (born 9 August 1934) is a Canadian novelist.  He is a Member of the Order of Canada (1992) and was one of the organizers of the Writer's Union of Canada (chair, 1974–75).  He is also a founder of the Writers' Trust of Canada, a non-profit literary organization that seeks to encourage Canada's writing community.  He had two sons, Matt and Grae, with publisher Shirley Gibson.  He has a long-term relationship with novelist and poet Margaret Atwood which began in 1973.  They moved to a farm near Alliston, Ontario, where their daughter Eleanor Jess Atwood Gibson was born in 1976.  The family returned to Toronto in 1980.

Song of the Worms: Song of the Worms is a poem by Canadian poet Margaret Atwood.

Margaret Atwood: Margaret Eleanor Atwood, {'1': ", '2': ", '3': ", '4': "} (born November 18, 1939) is a Canadian poet, novelist, literary critic, essayist, inventor, and environmental activist.  She is a winner of the Arthur C. Clarke Award and Prince of Asturias Award for Literature, has been shortlisted for the Booker Prize five times, winning once, and has been a finalist for the Governor General's Award several times, winning twice.  In 2001, she was inducted into Canada's Walk of Fame.  She is also a founder of the Writers' Trust of Canada, a non-profit literary organization that seeks to encourage Canada's writing community.  Among innumerable contributions to Canadian literature, she was a founding trustee of the Griffin Poetry Prize.

Bogdan Czaykowski: Bogdan Czaykowski (b. 1932, Rivno, Ukraine, then in Poland,; d. 2007, Canada) was a Polish Canadian poet, essayist, literary translator and literary critic, professor emeritus and former Dean at the University of British Columbia.  He wrote numerous articles in academic journals and literary magazines, and was the subject of literary research papers.  Czaykowski received the Killam Prize in 1996, including Polish literary awards: "Fundacja Turzańskich" (1992), "Fundacja Kościelskich" (1964) and others.

Supporting paragraphs: Joyce Barkhouse Margaret Atwood
Answer: Canadian