- On Heroes, Hero-Worship, and the Heroic in History by Thomas Carlyle. Summary of the book.
- Omens and Superstitions of Southern India by Edgar Thurston. Summary of the book.
- Outliers by Malcolm Gladwell (2008). Summary of the book.
- Old Granny Fox by Thornton W. Burgess. Summary of the book.
- One Day by David Nicholls (2009). Summary of the book.
- Ozma of Oz by L. Frank Baum. Summary of the book.
- Only Forward by Michael Marshall Smith. Summary of the book.
- Othello, the Moor of Venice by William Shakespeare. Summary of the book.
- One Day in the Life of Ivan Denisovtich by Alexandr Solzhenitsyn. Summary of the book.
- One of Ours by Willa Cather. Summary of the book.
- Oroonoko, or The Royal Slave by Aphra Behn. Summary of the book.
- Oliver Twist by Charles Dickens (1838). Summary of the book.
- On the Way: A Working Woman’s Field Guide by Robin Lake. Summary of the book.
- Office Politics by Wilfrid Sheed. Summary of the book.
- Orphan Train by Chrstina Kline (2013). Summary of the book.
- On the Other Hand: The Little Anthology of Big Questions by Renée Paule. Summary of the book.
- On Dublin Street by Samantha Young (2012). Summary of the book.
- Optimal Living 360: Smart Decision Making for a Balanced Life by Sanjay Jain. Summary of the book.
- Oedipus King of Thebes by Sophocles. Summary of the book.
- Our Man in Havana by Graham Greene. Summary of the book.
- Outlander by Diana Gabaldon (1991). Summary of the book.
- One Flew Over the Cuckoo’s Nest by Ken Kasey (1962). Summary of the book.
- Orthodoxy by G. K. Chesterton. Summary of the book.
- On the Duty of Civil Disobedience by Henry David Thoreau. Summary of the book.
- Oryx and Crake by Margaret Atwood (2003). Summary of the book.
- Oh, The Places You’ll Go! by Dr. Seuss. Summary of the book.
- One Hundred Years of Solitude by Gabriel Marquez (1967). Summary of the book.
- Obsidian by Jennifer Armentrout (2011). Summary of the book.
- On the Sublime by active 1st century Longinus. Summary of the book.
- On War by Carl von Clausewitz. Summary of the book.
- Opal by Jennifer L. Armentrout (2012). Summary of the book.
- Odd Thomas by Dean Koontz (2003). Summary of the book.
- Of Mice and Men by John Steinbeck (1937). Summary of the book.
- Oscar and Lucinda by Peter Carey. Summary of the book.
- Origin by Dan Brown (2017). Summary of the book.
- Old Man’s War by John Scalzi (2005). Summary of the book.
- On the Origin of Species by Means of Natural Selection. Summary of the book.
- One Plus One by Jojo Moyes (2014). Summary of the book.
- Original Short Stories — Volume 04 by Guy de Maupassant. Summary of the book.
- Of Love & Hunger by Julian Maclaren-Ross. Summary of the book.
- One Thousand White Women: The Journals of Mary Dodd by Jim Fergus (1998). Summary of the book.
- On Beauty by Zadie Smith. Summary of the book.
- On Writing: A Memoir of the Craft by Stephen King (2000). Summary of the book.
- One for the Money by Janet Evanovich (1994). Summary of the book.
- Onyx by Jennifer L. Armentrout (2012). Summary of the book.
- On Liberty by John Stuart Mill. Summary of the book.
- Oblomov by Ivan Goncharov. Summary of the book.
- Othello by William Shakespeare (1603). Summary of the book.
- One Hundred Proofs That the Earth Is Not a Globe by William Carpenter. Summary of the book.
- Orange is the New Black by Piper Kerman (2010). Summary of the book.
- Olive Kitteridge by Elizabeth Strout (2008). Summary of the book.
- Our Mutual Friend by Charles Dickens. Summary of the book.
- Of Human Bondage by Somerset Maugham. Summary of the book.
- O Pioneers! by Willa Cather. Summary of the book.
- Overcoming Depression One Step at a Time: The New Behavioral Activation Approach to Getting Your Life Back by Michael E. Addis. Summary of the book.
