Pseudonym the attempt was not entirely successful – and the two are still sometimes confused by booksellers. A pen name may be used specifically to hide the identity of the author, as in the case of exposé books about espionage or crime, or explicit erotic fiction. Some prolific authors adopt a pseudonym to disguise the extent of their published output, e.g. Stephen King writing as Richard Bachman. Co-authors may choose to publish under a collective pseudonym, e.g., P. J. Tracy and Perri O'Shaughnessy. Frederic Dannay and Manfred Lee used the name Ellery Queen as both a pen name for their collaborative
Frederic Baraga manor house at Mala Vas () no. 16 near the Carniolan village of Dobrnič, in what was then Lower Carniola, a province of the Duchy of Carniola in the Habsburg Monarchy. Today it is a part of the Municipality of Trebnje in Slovenia. Never using his first name, he was baptized Irenaeus Frederic. He was the fourth of five children born to John Nepomuc and Maria Katherine Josefa de Jencic Baraga. His mother inherited upon her father's death the estate of Mala Vas, plus a substantial fortune. His mother died in 1808, and his father in 1812. Frederic spent his