- O'brian, Patrick - A Book Of Voyages
- O'brian, Patrick - A Book of Voyages
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- O'brien Tim - 1970s A Series If I Die In A C
- O'brien Charmaine - Penguin Food Guide to India The
- O'brien, Edna - Saints and Sinners
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- O'brien, Kerry - Keating
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- O'brien, Edna - Country Girl
- O'brien, Flann - Dalkey Archive
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- O'connell, Jan - A Timeline of Australian Food
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- O'doherty, David;o'doherty, David; - Danger Really Is Everywhere: School Of Danger (Danger Is Everywhere 3)
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- O'donnell, Paraic - Maker of Swans
- O'donohue, John - Anam Cara
- O'donohue, John - `Divine Beauty
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- O'farrell, Maggie - I Am, I Am, I Am: Seventeen Brushes With Death - The Breathtaking Number One Bestseller
- O'grady, Emily - Yellow House
- O'hagan, Andrew - The Secret Life
- O'hagan, Andrew - The Illuminations
- O'hagan, Andrew - The Illuminations
- O'hagan, Andrew - The Secret Life
- O'hagan, Andrew - Be Near Me
- O'hanlon, Seamus - City Life
- O'hara, Frank - Frank O'Hara
- O'hara, Frank - Meditations in an Emergency
- O'hara, Frank - Lunch Poems
- O'hara, John - A Rage To Live
- O'hara, John - The New York Stories
- O'hara, John - Appointment in Samarra
- O'hara, Natalia - Hortense And The Shadow
- O'nan, Stewart - Last Night at the Lobster
- O'neal, Hank - Berenice Abbott (Photofile)
