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	Horror authors, surname starts with O		Books	Genres
	Joyce Carol Oates	New Books	132	h, m, r, c
	Fitz-James O'Brien		9	s, h
	Maxine O'Callaghan		15	h, m, r
	Weston Ochse	New Books	6	h
	Flannery O'Connor		10	h
	Jane O'Connor		3	h, m
	Mel Odom	New Books	112	s, f, h, m, t
	Elliott O'Donnell		32	h
	Jenny Oldfield	New Books	168	f, h, m, t, r
	Pamela Oldfield	New Books	101	h, m, r
	Mrs Oliphant		37	h
	Chad Oliver		12	h
	Michael Oliveri		3	h
	Lance Olsen		17	h, c
	Stewart O'Nan	New Books	15	h, t, c
	Anthony O'Neill		1	h
	Gene O'Neill		7	h
	Oliver Onions		29	h
	David Oppegaard	New Books	2	h
	Robert O'Riordan		3	s, h
	Michael O'Rourke		3	h
	George Orwell		56	s, h, c
	Juanita Tyree Osborne		26	h, r
	Jesse Osburn		8	h
	Darren O'Shaughnessy		2	h, t
	Vincent O'Sullivan		14	h, c
	Everett Owens		3	h

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