| For My Great Folly | 1942 |
| Ride With Me | 1944 |
| The Black Rose | 1945 |
| The Moneyman | 1947 |
| High Towers | 1949 |
| Son of a Hundred Kings | 1950 |
| The Silver Chalice | 1952 |
| The Tontine | 1955 |
| Below The Salt | 1957 |
| The Darkness and the Dawn | 1959 |
| The Last Love | 1963 |
| Omnibus | |
| For My Great Folly/The Moneyman | 1947 |
| Non-Fiction Series | |
| Plantagenets | |
| The Conquering Family | 1949 |
| The Magnificent Century | 1951 |
| The Three Edwards | 1959 |
| The Last Plantagenets | 1962 |
| Non-Fiction | |
| White and the Gold | 1954 |
| The Chord of Steel: The Story of the Invention of the Telephone | 1960 |
| William The Conqueror | 1963 |