By my count I have read twenty books by Hilaire Belloc:

The Path to Rome
The Old Road
The Four Men
The Servile State
Europe and the Faith
The Cruise of the "Nona"
Mr. Petre
The Catholic Church and History
Oliver Cromwell
How the Reformation Happened
Survivals and New Arrivals
Napoleon
Essays of a Catholic Layman in England: "Truth Comes by Conflict"
Charles the First, King of England
Cromwell
A Shorter History of England
Milton
The Great Heresies
On the Place of Gilbert Chesterton in English Letters

The Complete Verse


Also these 3 in part:

Hills and the Sea
On Everything
Characters of the Reformation