Four Letters is a book written by Gideon Ouseley and published in 1829. The book comprises four letters that Ouseley wrote to his friends and acquaintances, detailing his experiences as a Methodist preacher in Ireland during the late 18th and early 19th centuries. Ouseley was born in County Limerick, Ireland, in 1762, and he became a Methodist preacher in his early twenties. He spent most of his life traveling throughout Ireland, preaching to the...