Books ordered by title: C
| Author | Title (Number of quotes) |
| Suzanne Collins | Catching Fire (4) |
| Kurt Vonnegut | Cat`s Cradle (2) |
| Margaret Atwood | Cat`s eye (2) |
| Chuck Palahniuk | Choke (4) |
| Stephen King | Christine (4) |
| Cassandra Clare | City of Ashes (3) |
| Cassandra Clare | City of Bones (3) |
| Cassandra Clare | City of Glass (3) |
| Cassandra Clare | Clockwork Angel (8) |
| Miklós Radnóti | Clouded Sky (3) |
| Jared Diamond | Collapse (2) |
| Elizabeth Gilbert | Committed (2) |
| David Ogilvy | Confessions of an Advertising Man (2) |
| Daniel Dennett | Consciousness Explained (3) |
| Carl Sagan | Contact (2) |
| Neil Gaiman | Coraline (2) |
| Carl Sagan | Cosmos (6) |
| Ellen J. Langer | Counterclockwise (3) |
| Christopher Moore | Coyote Blue (3) |
| Fyodor Dostoyevsky | Crime and Punishment (2) |