| Name | #Stories | Latest | Profile | Blog | Favourites | |
|---|---|---|---|---|---|---|
| M. I. Mayfield | 1 | 2018-12-22 | ||||
| M.A. Cummings | 1 | 2017-11-28 | ||||
| M.C. Pease | 1 | 2019-06-14 | ||||
| M.L. Staley | 1 | 2017-01-26 | ||||
| M.P. Shiel | 1 | 2017-03-30 | ||||
| Mack Reynolds | 5 | 2019-10-07 | ||||
| Magnus Ludens | 2 | 2018-11-30 | ||||
| Manly Banister | 1 | 2017-07-11 | ||||
| Marion Zimmer Bradley | 5 | 2017-03-30 | ||||
| Mark Clifton | 8 | 2017-11-30 | ||||
| Mark Randall | 6 | 2022-01-31 | Profile | Blog | ||
| Marshall King | 1 | 2018-05-17 | ||||
| Mary E. Bradley Lane | 1 | 2018-05-26 | ||||
| Mary Wollstonecraft Shelley | 2 | 2016-11-25 | ||||
| Meyer Moldeven | 1 | 2019-01-24 | ||||
| Michael D. Cooper | 1 | 2017-11-19 | ||||
| Miles J. Breuer | 2 | 2017-03-04 | ||||
| Milo Hastings | 1 | 2018-04-11 | ||||
| Miriam Allen DeFord | 3 | 2017-12-05 | ||||
| Morris Hershman | 1 | 2018-04-08 | ||||
| Murray F. Yaco | 1 | 2017-08-18 | ||||
| Murray Leinster | 24 | 2018-09-29 |