The Troubles: Ireland's Ordeal 1966–1995 and the Search for Peace

On the Blanket: The H-Block Story

Disillusioned Decades – Ireland 1966–87: From Seán Lemass to Mass Unemployment

The Famine Plot: England's Role in Ireland's Greatest Tragedy

1916: The Easter Rising

1916: 100 Years of Irish Independence From the Easter Rising to the Present

Wherever Green is Worn: The Story of the Irish Diaspora

The GAA and the War of Independence

Michael Collins: A Biography

De Valera: Long Fellow, Long Shadow

The Twelve Apostles: Michael Collins, the Squad, and Ireland's Fight for Freedom

A Memoir