All authors, surname starts with O		Books
*	Eden O'Neill		14
*	Joyce Carol Oates		202
**	Patrick O'Brian		44
*	Anne O'Brien		35
*	Jenny O'Brien		19
*	Kevin O'Brien		23
	Megan O'Brien		14
*	Carol O'Connell		15
	Bryce O'Connor		12
**	Carlene O'Connor		13
	Karen Odden		5
	Scott Oden		8
*	Tee O'Fallon		10
*	Maggie O'Farrell		14
*	Chris Offutt		9
**	Sheila O'Flanagan		38
	G J Ogden		41
	Axie Oh		4
	Kate O'Hearn		23
*	Kristina Ohlsson		10
***	Janette Oke		107
*	Molly O'Keefe		71
	Nnedi Okorafor		24
	Daniel José Older		27
	Nick Oldham		35
*	Beth O'Leary		5
	Caitlyn O'Leary		44
*	Lauren Oliver		26
*	Lisa Oliver		94
	SM Olivier		10
	Ollie Ollerton		4
**	Gregg Olsen		62
*	Melissa F Olson		20
	Peter O'Mahoney		27
*	Tricia O'Malley		43
*	Mike Omer		10
	Stewart O'Nan		24
*	Barbara O'Neal		14
	Louise O'Neill		6
	Kenneth Oppel		42
*	Bill O'Reilly		36
*	Diana Orgain		39
**	Emily Organ		33
	George Orwell		67
	Alexey Osadchuk		15
	Jaclyn Osborn		37
*	K E Osborn		67
*	Bella Osborne		31
*	Erin Osborne		68
**	Mary Pope Osborne		110
	Kirsten Osbourne		220
***	Alice Oseman		12
	Perri O'Shaughnessy		15
****	Richard Osman		3
	Aaron Oster		39
	Ronnie O'Sullivan		5
***	James Oswald		17
	Sean Oswald		13
	C M Owens		50
**	Delia Owens		1
*	Robin D Owens		36
	Sandra Owens		27

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