| Sir Walter Raleigh | Trevelyan, Raleigh | "World History - Political"
| 567 | 2002 | 7 | 2010-02-10 |
| Sister Carrie | Dreiser, Theodore | "Fiction - General"
| 475 | 1900 | 4 | 1993-07-21 |
| Sisterhood of Spies | McIntosh, Elizabeth P. | "U.S. History - Military"
| 256 | 1998 | 5 | 2000-04-19 |
| Sisters Brothers, The | deWitt, Patrick | "Fiction - Western"
| 325 | 2012 | 6 | 2021-03-21 |
| Sitting in the Club Car Drinking Rum and Karma-Kola | Jiles, Paulette | "Fiction - General"
| 105 | 1986 | 5 | 2026-02-06 |
| Six Armies in Normandy | Keegan, John | "World History - Military"
| 365 | 1982 | 7 | 1999-01-27 |
| Six Days of Genesis, The | Taylor, Paul F. | "Theology"
| 214 | 2007 | 6 | 2019-12-08 |
| Six Frigates | Toll, Ian W. | "U.S. History - Military"
| 482 | 2006 | 8 | 2008-03-17 |
| Six Wives of Henry VIII, The | Weir, Alison | "World History - Political"
| 571 | 1991 | 8 | 1999-11-05 |
| Sixpence House | Collins, Paul | "Literature/Essays"
| 246 | 2003 | 7 | 2003-07-06 |
| Sixth of June, The | Shapiro, Lionel | "Fiction - Historical"
| 351 | 1955 | 6 | 2025-01-04 |
| Sketch Book of Geoffrey Crayon, Gent., The | Irving, Washington | "Fiction - Short Story Collection"
| 378 | 1820 | 7 | 1995-11-25 |
| Sketches by Boz | Dickens, Charles | "Fiction - General"
| 486 | 1836 | 6 | 1997-09-07 |
| Skies of Thunder | Alexander, Caroline | "World History - Military"
| 380 | 2024 | 5 | 2024-08-22 |
| Skipping Christmas | Grisham, John | "Fiction - General"
| 177 | 2001 | 7 | 2002-11-17 |
| Skylar | Mcdonald, Gregory | "Fiction - Mystery"
| 275 | 1995 | 6 | 2024-09-26 |
| Skylar in Yankeeland | Mcdonald, Gregory | "Fiction - Mystery"
| 247 | 1997 | 5 | 2024-10-24 |
| Skyscrapers | Dupre, Judith | "Art/Photography"
| 121 | 1996 | 6 | 1998-12-20 |
| Slam the Big Door | MacDonald, John D. | "Fiction - Mystery"
| 208 | 1960 | 8 | 1992-01-27 |
| Slaughterhouse-Five | Vonnegut Jr., Kurt | "Fiction - General"
| 215 | 1969 | 5 | 1992-12-19 |
| Slave, The | Singer, Isaac Bashevis | "Fiction - General"
| 311 | 1962 | 6 | 2009-12-18 |
| Slaves of Solitude, The | Hamilton, Patrick | "Fiction - General"
| 242 | 1947 | 6 | 2023-11-27 |
| Sleeper Cars and Flannel Uniforms | Auker, Tom Keegan and Elden | "Sports"
| 212 | 2001 | 7 | 2002-11-30 |
| Slide Rule | Shute, Nevil | "Nature/Science"
| 224 | 1954 | 6 | 1997-05-13 |
| Slightly Chipped: Footnotes in Booklore | Goldstone, Lawrence & Nancy | "Literature/Essays"
| 213 | 1999 | 7 | 2001-07-18 |
| Slouching Toward Fargo | Karlen, Neal | "Sports"
| 351 | 1999 | 5 | 2022-11-07 |
| Slouching Towards Bethlehem | Didion, Joan | "Literature/Essays"
| 218 | 1968 | 5 | 2015-10-11 |
| Slouching Towards Kalamazoo | DeVries, Peter | "Fiction - General"
| 241 | 1983 | 6 | 1994-06-25 |
| Slow Train to Yesterday | Robertson, Archibald Thomas | "Reference/Miscellaneous"
| 179 | 1945 | 5 | 2023-07-14 |
| Small Gods | Pratchett, Terry | "Fiction - S. F./Fantasy"
| 357 | 1992 | 6 | 2008-04-20 |
| Small Things Considered | Petroski, Henry | "Nature/Science"
| 244 | 2003 | 7 | 2005-08-14 |
| Smart-Aleck Kill | Chandler, Raymond | "Fiction - Mystery"
| 41 | 1947 | 4 | 2009-03-08 |
| Smiley's People | le Carre, John | "Fiction - Adventure"
| 374 | 1980 | 7 | 2016-02-23 |
| Smoke | Westlake, Donald E. | "Fiction - Mystery"
| 454 | 1995 | 6 | 2002-10-04 |
| Snakebite Survivor's Club, The | Seal, Jeremy | "Travel"
| 312 | 1999 | 7 | 2002-05-25 |
| Snare, The | Sabatini, Rafael | "Fiction - Adventure"
| 0 | | | |
| Sneetches and Other Stories, The | Seuss, Dr. | "Picture Book"
| 65 | 1961 | 7 | 1998-07-21 |
| Snow Above Town | Hough, Donald | "Autobiographies, Memoirs and Biographies"
| 282 | 1943 | 6 | 2023-01-29 |
| Snow Leopard, The | Matthiessen, Peter | "Nature/Science"
| 332 | 1978 | 5 | 1996-11-08 |
| Snowball | Allbeury, Ted | "Fiction - Adventure"
| 215 | 1974 | 5 | 1993-01-04 |
| So Brave, Young, and Handsome | Enger, Leif | "Fiction - Western"
| 285 | 2008 | 7 | 2025-07-22 |
| So Disdained | Shute, Nevil | "Fiction - General"
| 228 | 1928 | 6 | 1992-11-13 |
| So Long, and Thanks for All the Fish | Adams, Douglas | "Fiction - S. F./Fantasy"
| 204 | 1984 | 7 | 1993-06-09 |
| So the Next Generation Will Know | McDowell, J. Warner Wallace and Sean | "Theology"
| 179 | 2019 | 6 | 2019-09-30 |
| Soda Pop! | Witzel, Michael Karl | "Art/Photography"
| 139 | 1998 | 6 | 1999-07-22 |
| Soft Touch | MacDonald, John D. | "Fiction - Mystery"
| 160 | 1958 | 5 | 1998-11-20 |
| Solace of Open Spaces, The | Ehrlich, Gretel | "Literature/Essays"
| 131 | 1985 | 6 | 2015-12-13 |
| Soliders Three and Other Stories | Kipling, Rudyard | "Fiction - Short Story Collection"
| 313 | 1888 | 6 | 2021-07-11 |
| Something Rotten | Fforde, Jasper | "Fiction - Mystery"
| 383 | 2004 | 8 | 2005-12-15 |
| Something Under the Bed is Drooling | Watterson, Bill | "Humor"
| 127 | 1988 | 8 | |
