In 1949, Pilcher's first book, a romance novel, was published by Mills and Boon, under the pseudonym Jane Fraser. She published a further ten novels under that name. In 1955, she also began writing under her real name with Secret to Tell. By 1965 she had dropped the pseudonym and was signing her own name to all of her novels. . The real breakthrough in Pilcher's career came in 1987, when she wrote the family saga, The Shell Seekers.