Smith began contributing to magazines and writing short stories and poetry. She moved into novel writing during
World War II, publishing her debut novel
O, the Brave Music in 1943, a coming-of-age story set in the
Yorkshire Moors before
World War I. This was followed by her second novel
Huffley Fair. In a review of
Huffley Fair,
The Bookseller described Smith's writing as having "charm, freshness and humour". After the war, Smith published her next novels
Proud Citadel,
My Lamp is Bright and
The Lovely Day.
Edinburgh Evening News called
My Lamp is Bright Smith's best book. As of the publication of her sixth novel
Lost Hill in 1952, Smith was described as having "an increasing public on both sides of the Atlantic". Further in the 1950s came
We Went for a Walk,
Beyond the Gates, and
Miss Plum and Miss Penny, which depicts life in a Yorkshire village in the mid-century. Smith's final two novels
The Blue Dress and
Brief Flowers were published in 1962 and 1966 respectively. ==Later life==