| Mister Christian | Kinsolving, William | "Fiction - Adventure"
| 380 | 1996 | 6 | 1997-08-03 |
| Mister Roberts | Heggen, Thomas | "Fiction - Historical"
| 221 | 1946 | 5 | 2007-02-11 |
| Mistress Masham's Repose | White, T.H. | "Fiction - Chapter Books"
| 255 | 1946 | 8 | 1999-08-19 |
| Mistress Wilding | Sabatini, Rafael | "Fiction - Adventure"
| 272 | 1910 | 8 | 2024-10-22 |
| Misty of Chincoteague | Henry, Marguerite | "Fiction - Chapter Books"
| 159 | 1947 | 7 | |
| Misunderstood Texts of the New Testament | Anderson, Sir Robert | "Theology"
| 143 | 1916 | 6 | 2023-08-30 |
| Moby Dick | Melville, Herman | "Fiction - Historical"
| 608 | 1851 | 7 | 1993-04-10 |
| Moby-Duck | Hohn, Donovan | "Nature/Science"
| 378 | 2011 | 6 | 2024-06-12 |
| Mockingjay | Collins, Suzanne | "Fiction - S. F./Fantasy"
| 390 | 2010 | 6 | 2012-05-04 |
| Modesty Blaise | O'Donnell, Peter | "Fiction - Adventure"
| 224 | 1965 | 8 | 2006-04-18 |
| Moll Flanders | Defoe, Daniel | "Fiction - General"
| 313 | 1722 | 4 | 1994-04-17 |
| Mollie Peer | Reid, Van | "Fiction - Historical"
| 336 | 1999 | 8 | 2003-10-24 |
| Molly's Pilgrim | Cohen, Barbara | "Fiction - Chapter Books"
| 41 | 1983 | 6 | 2008-02-11 |
| Mommy and the Money | Goldstone, Nancy | "Fiction - Mystery"
| 229 | 1997 | 6 | 2001-09-29 |
| Mommy and the Murder | Goldstone, Nancy | "Fiction - Mystery"
| 244 | 1995 | 7 | 2001-07-21 |
| Moneyball | Lewis, Michael | "Sports"
| 286 | 2003 | 7 | 2006-05-17 |
| Monitor | DeKay, James Tertius | "U.S. History - Military"
| 228 | 1997 | 9 | 1998-08-02 |
| Monk's Hood | Peters, Ellis | "Fiction - Mystery"
| 223 | 1980 | 8 | 1997-11-06 |
| Monkey's Raincoat, The | Crais, Robert | "Fiction - Mystery"
| 201 | 1987 | 4 | 2006-11-16 |
| Monongahela, The ($$ Kindle) | Bissell, Richard | "Travel"
| 0 | | | |
| Monsters | Cohen, Rich | "Sports"
| 305 | 2013 | 7 | 2014-09-11 |
| Monsters of the Sea | Ellis, Richard | "Nature/Science"
| 376 | 1994 | 6 | 2003-05-01 |
| Montage of a Dream Deferred | Hughes, Langston | "Poetry Collections"
| 48 | 1951 | 5 | 2005-11-21 |
| Moon is a Harsh Mistress, The | Heinlein, Robert A. | "Fiction - S. F./Fantasy"
| 383 | 1966 | 6 | 2000-04-17 |
| Moon is Down, The | Steinbeck, John | "Fiction - General"
| 115 | 1942 | 7 | 1998-12-20 |
| Moon Knight: Bad Moon Rising Volume 1 | Moench, Doug | "Graphic Story"
| 485 | 2016 | 6 | 2018-03-26 |
| Moonraker | Fleming, Ian | "Fiction - Adventure"
| 175 | 1955 | 7 | 1999-10-07 |
| Moonstone, The | Collins, Wilkie | "Fiction - Mystery"
| 446 | 1868 | 7 | 1994-10-17 |
| More Anguished English | Lederer, Richard | "Literature/Essays"
| 192 | 1993 | 7 | 1994-09-03 |
| More Book Lust | Pearl, Nancy | "Literature/Essays"
| 240 | 2005 | 5 | 2005-12-05 |
| More Good Old Stuff | MacDonald, John D. | "Fiction - Short Story Collection"
| 341 | 1984 | 6 | 2015-06-18 |
| More Rightly Divided Answers to Frequently Asked Questions | Kurth, Ricky | "Theology"
| 293 | 2020 | 8 | 2021-02-19 |
| More Tales of a Low-Rent Birder | Dunne, Pete | "Nature/Science"
| 120 | 1994 | 8 | 1998-08-30 |
| More Than a Carpenter | McDowell, Josh | "Theology"
| 128 | 1977 | 8 | 2021-12-15 |
| Mornings on Horseback | McCullough, David | "U.S. History - Political"
| 370 | 1981 | 7 | 1998-06-19 |
| Morris Dictionary of Word and Phrase Origins | Morris, William & Mary | "Reference/Miscellaneous"
| 629 | 1977 | 10 | 1991-03-15 |
| Mort | Pratchett, Terry | "Fiction - S. F./Fantasy"
| 272 | 2001 | 7 | 2005-11-26 |
| Mortal Stakes (3) | Parker, Robert B. | "Fiction - Mystery"
| 328 | 1975 | 7 | 2023-01-27 |
| Mortimer & Whitehouse (at home) | Whitehouse, Bob Mortimer and Paul | "Nature/Science"
| 342 | 2019 | 5 | 2026-03-26 |
| Mosquito Coast, The | Theroux, Paul | "Fiction - Adventure"
| 374 | 1982 | 6 | 1995-06-13 |
| Moss Farm | Reid, Van | "Fiction - Historical"
| 317 | 2016 | 7 | 2019-04-15 |
| Mosses from an Old Manse | Hawthorne, Nathaniel | "Fiction - Short Story Collection"
| 559 | 1854 | 6 | 1995-06-11 |
| Mossflower | Jacques, Brian | "Fiction - S. F./Fantasy"
| 373 | 1988 | 8 | 2002-11-03 |
| Most High God, The | Showers, Renald | "Theology"
| 185 | 1982 | 8 | 2008-02-22 |
| Most of S.J. Perelman | Perelman, S.J. | "Fiction - Short Story Collection"
| 650 | 1958 | 5 | 2021-09-03 |
| Most Secret | Shute, Nevil | "Fiction - General"
| 281 | 1942 | 9 | 1992-03-11 |
| Mostly Canallers | Edmonds, Walter D. | "Fiction - Short Story Collection"
| 467 | 1925 | 7 | 2021-03-03 |
| Mostly Harmless | Adams, Douglas | "Fiction - S. F./Fantasy"
| 277 | 1992 | 7 | 1993-06-23 |
| Motel of the Mysteries | Macaulay, David | "Humor"
| 96 | 1979 | 7 | 1998-08-15 |
| Mother Tongue, The | Bryson, Bill | "Literature/Essays"
| 245 | 1990 | 8 | 1991-10-04 |
