[3] Vallings, a soprano, trained to be an opera singer,[3] but it appears her career never took off as there are few records of public performances.
She had begun performing by 1914, when a critic noticed her "pleasant soprano voice [and] fine feeling for musical expression" but advised further training.
[3] Bindweed, which the London Times called "a powerful first novel",[7] centers on the travails of a young opera singer who does not know that she is of illegitimate birth.
[8] Her second novel, Tumult (1916) features a cast ranging from Australian sheep ranchers and French aristocrats to the Greek god Pan.
[9] Vallings completed Malet's last novel, The Private Life of Mr. Justice Syme, after the author's death in 1931, and it was published in 1932.