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	All authors, surname starts with O		Books	Genres
	Timothy L O'Brien		1	m,t,c
	Daniel O'Malley		1	t,c
	Erica O'Rourke	New Books	4	c
	Tim O'Rourke	New Books	26	h
	Natasha Oakley		18	r
	Joyce Carol Oates	New Books	161	h,m,r,c
	Constance O'Banyon		46	r
	Téa Obreht	New Books	2	c
	Patrick O'Brian	New Books	39	t
	Anne O'Brien	New Books	21	r
	Caragh O'Brien		12	r
	Edna O'Brien		41	f,c
	Fiona O'Brien		6	r
	Flann O'Brien		11	f
	John O'Brien		3	c
	Johnny O'Brien		4	f,m,t,c
	Judith O'Brien		13	r
	Kathleen O'Brien	New Books	42	r
	Kevin O'Brien	New Books	14	m
	Martin O'Brien		9	m
	Maureen O'Brien		7	m
	Meg O'Brien		17	m,r
	Robert C O'Brien		5	f
	Tim O'Brien		11	c
	Laurence O'Bryan	New Books	3	t,c
	Thomas O'Callaghan		2	m
	Brendan O'Carroll		8	c
	Weston Ochse	New Books	20	h
	Sarah Ockler	New Books	4	r
	Carol O'Connell	New Books	13	m
	Ellen O'Connell		6	r,c
	Tyne O'Connell		15	r
	Flannery O'Connor		10	h
	Gemma O'Connor		8	m
	Jane O'Connor	New Books	76	h,m
	Joseph O'Connor		22	c
	Niamh O'Connor	New Books	7	f,h,m,t
	Constance O'Day-Flannery		23	s,r
	Scott O'Dell		36	c
	Tawni O'Dell		4	m
	Scott Oden		5
	Mel Odom	New Books	134	s,f,h,m,t
	Laurel O'Donnell	New Books	14	r
	Lillian O'Donnell		34	m
	Peter O'Donnell		14	t
	Nick O'Donohoe		9	f
	Clare O'Donohue	New Books	8	m
	Gerard O'Donovan		2	m,t
	Maggie O'Farrell	New Books	7	r
	Andrew J Offutt		33	f
	Sheila O'Flanagan	New Books	27	r,c
	Catherine O'Flynn	New Books	5	m,c
	Yôko Ogawa		5	c
	Ellen Oh		1	c
	John O'Hara		44	c
	Tracey O'Hara		4	s,f
	Kate O'Hearn	New Books	9	f
	Nancy Ohlin	New Books	2	h,r
	Kristina Ohlsson	New Books	4	m,t
	Leslie O'Kane		10	m
	Janette Oke		96	f,r,w
	Molly O'Keefe	New Books	32	r
	Marc Olden		30	f,m
	Elizabeth Oldfield		42	r
	Jenny Oldfield	New Books	183	f,h,m,t,r
	Pamela Oldfield		110	h,m,r
	Nick Oldham	New Books	19	m
	B J Oliphant		7	m
	Anne Oliver	New Books	23	r
	Jana Oliver	New Books	12	f,r
	Lauren Oliver	New Books	10	c
	Lin Oliver	New Books	49	s,f
	Marina Oliver		36	m,r
	Tess Oliver	New Books	16	r,c
	Robert Olmstead		8	c
	Gregg Olsen	New Books	21	m
	Mark Andrew Olsen		10	f,m,t,r,c
	T V Olsen		52	w
	Karen E Olson		8	m
	Melissa F Olson	New Books	2	s,f,c
	Linda Olsson	New Books	3	c
	Jerry Oltion		17	s
	Sister Carol Anne O'Marie		11	m
	Stewart O'Nan		20	h,t,c
	Michael Ondaatje		29	c
	Barbara O'Neal		4	r
	Eilis O'Neal		1	c
	Katherine O'Neal		12	r
	Geraldine O'Neill	New Books	10	r,c
	Gilda O'Neill		21	m,r
	Joan O'Neill		15	r,c
	Oliver Onions		29	h
	Kenneth Oppel		29	f,m,t
	E Phillips Oppenheim		150	m,t
	Kelly Oram		1	c
	Sandra Orchard	New Books	5	m,c
	Baroness Orczy		53	m,t
	Bill O'Reilly	New Books	16	m,t
	Kathleen O'Reilly	New Books	43	r
	Victor O'Reilly		3	t
	J Michael Orenduff		6	m,t
	Margie Orford		11	m
	Diana Orgain		3	m
	Kaitlin O'Riley	New Books	10	r
	Erica Orloff		29	r
	Elaine Neil Orr	New Books	2	s,f,h,m,t,r,c
	Wendy Orr	New Books	37	f
	Julie Orringer		3	c
	Julie Ortolon		15	r
	Peter Orullian		4	f
	George Orwell		64	s,h,c
	Sara Orwig	New Books	143	r
	Jon Osborne	New Books	5	t
	Maggie Osborne		20	r
	Mary Pope Osborne	New Books	140	f,m
	Kirsten Osbourne	New Books	18	r
	Darren O'Shaughnessy		2	h,t
	Perri O'Shaughnessy		15	m
	Patti O'Shea		16	s,r
	Anne Osterlund		4	f,r
	Håkan Östlundh		1	c
	James Oswald		5	m
	Julie Otsuka		2	c
	Gail Oust	New Books	4	m
	Stephen Overholser		20	w
	Wayne D Overholser	New Books	102	w
	Caroline Overington	New Books	3	c
	Charlie Owen		4	m
	James A Owen	New Books	14	f
	Robin D Owens	New Books	23	f,r
	Sharon Owens		8	r
	Amos Oz	New Books	31	c
	Ruth Ozeki	New Books	4	c

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