| Isabella Orsini: A Historical Novel of the Fifteenth Century
Francesco Domenico Guerrazzi | |
| Ishmael; Or, In the Depths
Emma Dorothy Eliza Nevitte Southworth | |
| Isis unveiled, Volume 1 (of 2), Science / A master-key to mysteries of ancient and modern science and theology
H. P. Blavatsky | |
| Isis very much unveiled, being the story of the great Mahatma hoax
Fydell Edmund Garrett | |
| Isla Heron
Laura Elizabeth Howe Richards | |
| Islam
Annie H. Small | |
| Islâm
Syed Ameer Ali | |
| Islam, Her Moral And Spiritual Value: A Rational And Pyschological Study
Arthur Glyn Leonard | |
| Island honor
Murray Leinster | |
| Island Life; Or, The Phenomena and Causes of Insular Faunas and Floras
Alfred Russel Wallace |
