Sentence 1: A singular conspiracy ( 1974 ) by Barry Perowne is a fictional treatment of the unconsidered period in Edgar Allan Poe 's life from January to May 1844 .
Sentence 2: A Singular Conspiracy ( 1974 ) by Edgar Allan Poe is a fictional treatment of the unaccounted period in Barry Perowne 's life from January to May 1844 .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?