•
The Golden Honeycomb: A Sicilian Quest (1954) •
The Wise Man from the West: Matteo Ricci and his Mission to China (1955) •
The Last Migration (1957) (on the Falqani tribe of South Persia) • "
T. S. Eliot as a Translator."
T. S. Eliot: A Symposium for His Seventieth Birthday. Ed. Neville Braybrooke, 129–137 (1958) •
A Pearl to India: The Life of Roberto de Nobili (1959) •
The Letter After Z (1960) (novel) • Translator, ''L'Amour Profane'' by Alfred Kern (1961) (novel) •
A Calendar of Saints (1963) •
The Companion Guide to Paris (1963 - first edition) •
Louis XIV (1964) • Translator,
The Christian Centuries: A New History of the Catholic Church, Volume One: The First Six Hundred Years by Jean Danielou and
Henri Marrou (1964) •
Four Women in Pursuit of an Ideal (1965) (about
Caroline, duchesse de Berry,
Marie D'Agoult,
Eve Hanska and
Marie Bashkirtseff; also published as
The Romantic Way, 1966) • Editor,
The Sunday Times Travel and Holiday Guide (1966) (edited with Elizabeth Nicholas and Leonard Russell) •
The Florentine Renaissance (1967) •
Mary Portrayed (1968) • "The Classical Ideal in Florence."
Essays by Divers Hands, Volume XXXV: 23–39 (1969) • Editor,
The Companion Guide to the West Highlands of Scotland by W.H. Murray (1969) •
The Flowering of the Renaissance (1969) • Editor,
The Companion Guide to the North Island of New Zealand by Errol Brathwaite (1970) •
Napoleon (1971), (also published as
Napoleon Bonaparte: An Intimate Biography, 1972, ) •
The Horizon Concise History of Italy (1972) (also published as
A Concise History of Italy, 1973, ) •
Louis and Antoinette (1974) • Translator,
Towards a New Democracy by
Valéry Giscard d'Estaing (1977) •
Catherine, Empress of All the Russias (1978) • Editor,
Essays by Divers Hands, Volume XL (1979) • Editor,
The Companion Guide to Florence by Eve Borsook (1979) •
The View from Planet Earth: Man Looks at the Cosmos (1981) •
Paris on the Eve, 1900-1914 (1989) •
The Renaissance (1992) •
Paris: City of Light, 1919-1939 (1994) •
Chile Rediscovered (2009) •
Nero (2010) ==References==