Guerrilla Days in Ireland (in some editions spelled "Guerilla") is a book published by Irish Republican Army leader Tom Barry in 1949.

[2] Inactive Defunct Tom Barry, born in County Kerry while Ireland was still part of the United Kingdom, joined the Royal Field Artillery as a teenager in search of adventure.

In particular, the events leading up to World War II and complications associated with Irish neutrality saw him taking the risk of engaging with German officials only to have these agreements overridden by the IRA Army Convention.

It was there, in that land of the Arabs, then a battleground for the two contending imperialistic armies of Britain and Turkey, that I awoke to the echoes of guns being fired in the capital of my own country, Ireland.

[3]In Guerilla Days in Ireland Tom Barry describes the evolution of his own thinking (from a British soldier to an Irish revolutionary) to the setting up of the West Cork Flying Column (a volunteer force never exceeding 310 fighters), its training, and its plan of campaign.