Single Novels

• Still She Wished for Company (1924)
• These Mortals (1925)
• Knock Four Times (1927)
• Fire Down Below (1928)
• Royal Flush (1932)
• The Stranger Prince: The Story of Rupert of the Rhine (1938)
• The Bride: The Story of Louise And Montrose (1939)
• The Gay Galliard: The Story of Mary Queen of Scots (1941) Later published as The Galliard.
• Royal Flush: The Story of Minette (1948)
• The Proud Servant: A Story of Montrose (1949)
• The Heart's Memory (1951)
• Hidden Splendour (1952)
• None So Pretty: Or, the Story of Mr. Cork (1953)

Queen Elizabeth Trilogy

• Young Bess (1944)
• Elizabeth, Captive Princess (1948)
• Elizabeth and the Prince of Spain (1953)

Short Stories

• Bloodstock and Other Stories (1953)

Biography

• That Great Lucifer: A Portrait of Sir Walter Raleigh (1960)

• Young Bess (1953) an adaptation of the book of the same title and Elizabeth, Captive Princess.
• "[The Doughty Plot] [1]" (1962) An episode of the Television series "Sir Francis Drake" adapted from her own story and screenplay co-written by Margaret Irwin.