[1] The title refers to the film Casino Royale and to the Camino de Santiago pilgrimage route.

[5] Author Paul Howard hosted "An evening of reading, story-telling and laughter" at the Whale Theatre, Greystones on 3 November 2023 to promote Camino Royale.

His mother Fionnuala falls deeper into dementia, while his father Charles (still Taoiseach) cultivates a relationship with Boris Johnson following Ireland's withdrawal from the European Union.

In The University Times (Trinity College Dublin), Cilian Hickey called Camino Royale "a cracking read.

You won’t grow too many brain cells by reading it, nor will you find lyrical descriptions or complex vocabulary.