Kathleen Hamilton is a passionate Canadian and self-confessed crossword addict who creates distinctive Canadian crosswords. She is the author of six books in the O Canada Crosswords series and also creates the popular North of 49 Crossword that appears weekly in over fifteen Canadian newspapers, including the Toronto Star, Calgary Sun and Halifax Sunday Herald. Her career as a university lecturer, then editor, has taken her across the country from Saskatoon to St. John's, Wolfville, Ottawa, Toronto and Victoria. She lives in Montreal.