As Constance Fecher

Single novels

• The Leopard Dagger (1963)
• Queen's Delight (1966) aka The Queen's favorite
• King's legacy (1967)
• The Link Boys (1967) aka Tom Hawke
• Traitor's Son (1967)
• Player Queen (1968) aka The Lovely Wanton
• Venture for a Crown (1968)
• Lion of Trevarrock (1969)
• Heir to Pendarrow (1969)
• The Night of the Wolf (1972)
• By the Light of the Moon (1985)

Non fiction

• Bright Star: A Portrait of Ellen Terry (1970)
• The Last Elizabethan: A Portrait of Sir Walter Raleigh (1972)

As Constance Heaven

Kuragin Saga

1. The House of Kuragin (1972)
2. Heir to Kuragin (1978) aka The Astrov Legacy
3. The Astrov Inheritance (1973)

Ravensley Saga

1. Lord of Ravensley (1978)
2. The Ravensley Touch (1982)

Single novels

• Castle of Eagles (1974)
• The Place of Stones (1975)
• The Fires of Glenlochy (1976)
• The Queen and the Gypsy (1977)
• The Wildcliffe Bird (1981)
• Daughter of Marignac (1983)
• Castle of Doves (1984)
• Larksghyll (1986)
• The Craven Legacy (1987)
• The Raging Fire (1987)
• The Fire Still Burns (1989)
• The Wind from the Sea (1991)
• Love's Shadow (1994)
• The Love Child (1997)

As Christina Merlin

Novels

• Spy Concerts (1980)
• Sword of Mithras (1982)