* "Crow Lake" (2006): This debut novel was a bestseller and won numerous awards. It tells the story of a family in Northern Ontario dealing with secrets and grief after the death of their mother.
* "The Other Side of the Bridge" (2009): This novel explores the complex relationships between three sisters and their past.
* "The First Time" (2013): This is a coming-of-age story set in rural Canada in the 1950s, focusing on a young girl who is forced to confront difficult truths about her family and her own identity.
* "A Long Petal of the Sea" (2020): This historical fiction novel tells the story of a Catalan couple fleeing the Spanish Civil War and finding refuge in Chile.
In addition to novels, Mary Lawson has also published short stories and essays. She has been praised for her powerful character development, insightful observations on family dynamics, and evocative descriptions of rural life.