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	All authors, surname starts with O		Books	Genres
	Daniel O'Malley	New Books	3	g,t
	Tim O'Rourke	New Books	70	h
	Colleen Oakes	New Books	6
	Joyce Carol Oates	New Books	171	g,h,m,r
	Constance O'Banyon		48	o,r
	Patrick O'Brian		42	o,t
	Anne O'Brien	New Books	29	r
	Caragh O'Brien	New Books	14	r
	Edna O'Brien		47	f,g
	Kathleen O'Brien		62	r
	Kevin O'Brien	New Books	17	m
	Martin O'Brien	New Books	11	m
	Meg O'Brien		17	m,r
	Robert C O'Brien		5	f
	Tim O'Brien		11	g
	Laurence O'Bryan		6	g,t
	Brendan O'Carroll		9	c,g
	T Lynn Ocean		8	m
	Weston Ochse	New Books	31	h
	Martha Ockley		3	g,m
	Lorie O'Clare		2	r
	Carol O'Connell	New Books	14	m
	Ellen O'Connell	New Books	9	g,o,r
	Barbara O'Connor	New Books	17	o
	Carlene O'Connor	New Books	2
	Deborah O'Connor	New Books	2
	Flannery O'Connor		10	h
	Gemma O'Connor		8	m
	Jane O'Connor	New Books	108	h,k,m,y
	Niamh O'Connor		7	f,h,m,t
	Constance O'Day-Flannery		23	r,s
	Karen Odden		1
	Scott O'Dell		36	g,k,o,y
	Tawni O'Dell		6	m
	Terry Odell		23	m
	Scott Oden	New Books	5	o
	Mel Odom	New Books	145	f,h,m,s,t
	Laurel O'Donnell	New Books	27	r
	Lillian O'Donnell		34	m
	Peter O'Donnell		14	t
	Clare O'Donohue		9	m
	Gerard O'Donovan		2	m,t
	Maggie O'Farrell		8	r
	Kerryn Offord	New Books	1
	Andrew J Offutt		44	f
	Sheila O'Flanagan	New Books	32	g,r
	Catherine O'Flynn		5	g,m
	Mo O'Hara	New Books	8
	Tracey O'Hara		4	f,s
	Kate O'Hearn	New Books	15	f,y
	Kristina Ohlsson	New Books	9	m,t
	Leslie O'Kane	New Books	22	m
	Laurel Oke Logan	New Books	8	g,o,r,w
	Janette Oke	New Books	104	f,r,w
	Megan E O'Keefe	New Books	3
	Molly O'Keefe	New Books	45	r
	Nnedi Okorafor	New Books	14	f
	Marc Olden		40	f,m
	Daniel Jose Older	New Books	9
	Jenny Oldfield	New Books	187	f,h,k,m,r,t,y
	Mark Oldfield		2	t
	Pamela Oldfield		110	h,k,m,r
	Nick Oldham	New Books	28	m
	Alexandra Oliva	New Books	1
	Anne Oliver	New Books	40	r
	Jana Oliver	New Books	18	f,r
	Jenny Oliver		12
	Lauren Oliver	New Books	23	g
	Ann O'Loughlin	New Books	2
	Ella Joy Olsen	New Books	1
	Gregg Olsen	New Books	53	m
	Lisa Olsen		29
	Rena Olsen	New Books	1
	T V Olsen		56	w
	Karen E Olson	New Books	11	m
	Melissa F Olson	New Books	12	f,g,o,s
	Tricia O'Malley	New Books	15
	Tim O'Mara	New Books	5
	Sister Carol Anne O'Marie		11	m
	Stewart O'Nan		22	g,h,t
	Michael Ondaatje		29	g
	Barbara O'Neal		10	r
	Carlene O'Neil		2
	Anthony O'Neill	New Books	4	h
	Geraldine O'Neill	New Books	12	g,o,r
	Gilda O'Neill		22	m,r
	Kenneth Oppel	New Books	33	f,k,m,t,y
	E Phillips Oppenheim		150	m,t
	Kelly Oram	New Books	15	g
	Sandra Orchard	New Books	15	g,m
	Baroness Orczy		51	m,o,t
	Bill O'Reilly	New Books	26	m,t
	Victor O'Reilly		3	t
	J Michael Orenduff		7	m,t
	Margie Orford		13	m
	Diana Orgain	New Books	11	m
	Kaitlin O'Riley		10	r
	Roger Ormerod		49	m
	Julie Ortolon		15	r
	Peter Orullian		10	f
	George Orwell		64	g,h,s
	Sara Orwig	New Books	186	r
	Bella Osborne	New Books	5
	Maggie Osborne		21	r
	Mary Pope Osborne	New Books	168	f,k,m
	Kirsten Osbourne	New Books	79	o,r
	Terri Osburn	New Books	9	g
	Darren O'Shaughnessy		2	h,t,y
	Perri O'Shaughnessy		15	m
	Patti O'Shea		18	r,s
	Håkan Östlundh		2	g
	Kathryn O'Sullivan		3
	Ronnie O'Sullivan	New Books	1
	J D Oswald	New Books	5
	James Oswald		7	m
	Chris Ould	New Books	5	f,g,h,m,o,r,s,t
	Gail Oust	New Books	10	m
	Joan Overfield		23	r
	Wayne D Overholser		103	w
	Cuyler Overholt		1
	Caroline Overington		10	g
	Hollie Overton	New Books	1
	Charlie Owen		4	m
	Frank Owen	New Books	1
	Howard Owen	New Books	14	m
	James A Owen		20	f,y
	Lauren Owen		1
	Nikki Owen	New Books	2
	C M Owens	New Books	49
	Robin D Owens	New Books	32	f,r
	Sandra Owens	New Books	9
	Sharon Owens		10	r
	Helen Oyeyemi		8	g
	Amos Oz	New Books	33	g
	Ruth Ozeki		5	g

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