"The Young Visiters or, Mr. Salteena's Plan" by Daisy Ashford is a novel written in 1890 and published in 1919. Written when Ashford was just nine years old, this charming tale follows 42-year-old Alfred Salteena's ambitious plan to become a gentleman with help from the aristocratic Earl of Clincham. Meanwhile, his young guest Ethel Monticue finds romance with the wealthy Bernard Clark. The story's appeal lies in its juvenile innocence and unconventional spelling, becoming a surprising bestseller that sparked rumors of being an elaborate literary hoax.
Wikipedia page about this book: en.wikipedia.org/wiki/The_Young_Visiters