Orangeboy (by Patrice Lawrence)

Orator : The Life of Cicero and the End of the Roman Republic (by Catharine Edwards)

Ordinary Morning Sunlight (by Christopher Reid)

Orientalism (by Edward W. Said)

Origami Fortune Tellers (by Lucy Bowman)

Origins of The Wheel of Time : The Legends and Mythologies that Inspired Robert Jordan (by Michael Livingston)

Orkney : Megalithic Marvel of the Northern Isles (by Hector McDonnell)

Orlando the Marmalade Cat: A Camping Holiday (by Kathleen Hale)

Other Minds : The Octopus and the Evolution of Intelligent Life (by Peter Godfrey-Smith)

Other Worlds Than These : A Talisman Novel (by Stephen King)

Ottolenghi SIMPLE (by Yotam Ottolenghi)

Ottolenghi SIMPLE TOO (by Yotam Ottolenghi)

Ottoline Goes to School (by Chris Riddell)

Our Better Natures (by Sophie Ward)

Our Brains, Our Selves : What a Neurologist’s Patients Taught Him About the Brain (by Masud Husain)

Our Haunted Shores : Tales from the Coasts of the British Isles : 31 (by Emily Alder)

Our Missing Hearts : ‘Will break your heart and fire up your courage’ Mail on Sunday (by Celeste Ng)

Our New Baby : A Book for You about Your New Brother or Sister (by Rachel Greener)

Our Noble Selves (by Kate Atkinson)

Our Strange Duet (by Erin A. Craig)

Our Wicked Histories (by Amy Goldsmith)

OUT & ABOUT MAP of the SOUTH WEST : The Ultimate Guide to the SW (by OUT & ABOUT MAPS LIMITED)

Out and About : A First Book of Poems (by Shirley Hughes)

Out of Colditz : My Father the POW and the Nazi who Controlled his Fate (by David Lascelles)

Out of Darkness : Book 21 in the Sunday Times bestselling DSI William Lorimer series (by Alex Gray)

Out Of Place : A Memoir (by Edward W. Said)

Outlaw : The incredible new thriller from the master of modern espionage (by James Swallow)

Outlaw Planet : Winner of the Philip K. Dick Award - the wild, exhilarating SF adventure (by M.R. Carey)

Over the Rainbow : Tales from an Unexpected Year (by Alex James)

Over the Rainbow Bridge : The debut picture book from the nation's favourite SUPERVET (by Noel Fitzpatrick)

Over Work : Transforming the daily grind in the quest for a better life (by Brigid Schulte)

Overwhelmed : Ways to Take the Pressure Off (by Claudia Hammond)

Owl and Moon (by Kate Rolfe)

Owl King : Faery Realms series: The darkly enchanting YA fantasy (by Bex Hogan)

Owl’s Lesson (by Nick Butterworth)

Owning It : In My Own Words (by Andy Carroll)

Oxford Children's Classics: Black Beauty (by Anna Sewell)

Oxford Playscripts: Frankenstein (by Mary Shelley)

Oxford School Dictionary & Thesaurus (by Oxford Dictionary)

Pablo and Splash : The hilarious kids' graphic novel series about time-travelling penguins (by Sheena Dempsey)

Pablo and Splash: Frozen in Time : The hilarious kids' graphic novel series about time-travelling penguins (by Sheena Dempsey)

Pablo and Splash: Viking Voyage : The hilarious NEW kids' graphic novel in the series about time-travelling penguins (by Sheena Dempsey)

Paddington and the Grand Tour : Band 15/Emerald (by Michael Bond)

Paddington in the Garden (by Michael Bond)

Paddington Search and Find (by Michael Bond)

Paddock Grove: A Pony to Own : First in a pony adventure series about friends and their horses at an equestrian boarding school for animal lovers age 8, 9, 10, 11, 12, 13 (by J.P. Rose)

Paddock Grove: Riding for Gold : Pony adventure series about friends and their horses at an equestrian boarding school for animal lovers age 8, 9, 10, 11, 12, 13 (by J.P. Rose)

Paddock Grove: Runaway Horse : Pony adventure series about friends and their horses at an equestrian boarding school for animal lovers age 8, 9, 10, 11, 12, 13 (by J.P. Rose)