JFK in Ireland: Four Days That Changed a President[2][3] is the title of the first book written by Irish broadcaster Ryan Tubridy.

Released in the UK in 2010, and by Lyons Press in the US in 2011, it is a profile of President of the United States John F. Kennedy's 1963 visit to Ireland.

Tubridy's book discusses how Kennedy's visit affected the country, wondering if it was an inspirational one and featuring rare photographs and personal documents.

[11] While researching the book, Tubridy discovered that Éamon de Valera (then President of Ireland) had part of Kennedy's speech to Dáil Éireann erased from all records after finding its content offensive.

[12] Intended as a joke, the comment "Leinster House does not inspire the brightest ideas" led to a "dressing down" for Kennedy and Taoiseach Seán Lemass to question this "utter suppression" by de Valera.

[14] Tubridy praised his family and requested applause be given for his friend and colleague Gerry Ryan who had died earlier that year.

[7] His girlfriend at the time, Aoibhinn Ní Shúilleabháin, commented: "The book looks brilliant - he [Tubridy] put an awful lot of work into it.

[18] JFK in Ireland was granted tax-free status, meaning that Tubridy did not have to pay any income tax on the estimated €480,000 he earned from the book.