Bear is a novel about a lonely librarian in who enters into a sexual relationship with a bear

Bear is a novel by Canadian author Marian Engel, published in 1976. It won the Governor General’s Literary Award the same year. It is Engel’s fifth novel, and her most famous. The story tells of a lonely librarian in northern Ontario who enters into a sexual relationship with a bear. The book has been called “the most controversial novel ever written in Canada”.[1]

From Bear (novel) – Wikipedia