- Books and Bookmen, by Ian Maclaren
- Native Born, The, by I. A. R. Wylie
- Story Hour Readers Book Three, by Ida Coe and Alice J. Christie
- Logbooks of the Lady Nelson, The, by Ida Lee
- Antediluvian World, The, by Ignatius Donnelly
- Caesar's Column, by Ignatius Donnelly
- Ragnarok: The Age of Fire and Gravel, by Ignatius Donnelly
- Reminiscences of Tolstoy, by Ilya Tolstoy [his son]
- Court of the Empress Josephine , The, by Imbert de Saint-Amand
- Court of the Empress Josephine , The, by Imbert de Saint-Amand
- Duchess Of Berry/Charles X, The, by Imbert de St-Amand
- Critique of Pure Reason, The, by Immanuel Kant
- Critique of Practical Reason, The, by Immanuel Kant
- Fundamental Principals of the Metaphysic of Morals, by Immanuel Kant
- Metaphysical Elements of Ethics, The, by Immanuel Kant
- Angel Island, by Inez Haynes Gillmore
- Californiacs, The, by Inez Haynes Irwin
- Native Son, The, by Inez Haynes Irwin
- Public Speaking, by Irvah Lester Winter
- Eben Holden, by Irving Bacheller
- Master of Silence, The, by Irving Bacheller
- Europe Revised, by Irvin S. Cobb
- Cobb's Anatomy, by Irvin S. Cobb
- A Plea for Old Cap Collier, by Irvin S. Cobb
- "Speaking of Operations--", by Irvin S. Cobb
- Who Was Who: 5000 B. C. to Date: Biographical Dictionary of the Famous and Those Who Wanted to Be, by Irwin L. Gordon [Editor]
- Stories of the Prophets, by Isaac Landman
- Chinese Boy and Girl, The, by Isaac Taylor Headland
- Court Life in China, by Isaac Taylor Headland
- Waltoniana, by Isaak Walton
- Waltoniana, by Isaak Walton
- Poorhouse Waif and His Divine Teacher, The, by Isabel C. Byrum
- Window-Gazer, The, by Isabel Ecclestone Mackay
- Romance of Isabel Lady Burton Volume II, The, by Isabel Lady Burton & W. H. Wilkins
- Golden Chersonese and The Way Thither, The, by Isabella L. Bird
- Hawaiian Archipelago, The, by Isabella L. Bird
- A Lady's Life in the Rocky Mountains, by Isabella L. Bird
- Among the Tibetans, by Isabella L. Bird (Mrs Bishop)
- Englishwoman in America, The, by Isabella Lucy Bird
- Old Spookses' Pass, by Isabella Valancy Crawford
- Judaism, by Israel Abrahams
- Book of Delight and Other Papers , The, by Israel Abrahams
- Book of Delight and Other Papers , The, by Israel Abrahams
- Without Prejudice, by Israel Zangwill
- Precipice, The, by Ivan Goncharov
- Virgin Soil, by Ivan S. Turgenev
- A House of Gentlefolk, by Ivan Turgenev
- On the Eve, by Ivan Turgenev
- Rudin, by Ivan Turgenev
- Diary of a Superfluous Man and Other Stories, The, by Ivan Turgenev
- Torrents of Spring, The, by Ivan Turgenev
- Diary of a Superfluous Man and Other Stories, The, by Ivan Turgenev
- Torrents of Spring, The, by Ivan Turgenev
- Epopee to the Forgotten, by Ivan Vazov
- A Complete Grammar of Esperanto, by Ivy Kellerman
- Complete Angler, The, by Izaak Walton