Show: all s science fiction f fantasy h horror m mystery t thriller r romance w western c mainstream | | Science fiction authors, surname starts with O | | Books | Genres |
|---|
| Charles Oberndorf | | 3 | s |
| Fitz-James O'Brien | | 9 | s, h |
| Joe O'Brien | New Books | 13 | s, f |
| Meghan O'Brien | New Books | 6 | s, f, r, c |
| Raymond Obstfeld | | 14 | s, t |
| Mary O'Connell | New Books | 1 | s, f, h, m, t, r, c |
| Constance O'Day-Flannery | | 23 | s, r |
| Sally Odgers | | 51 | s, r |
| Mel Odom | New Books | 128 | s, f, h, m, t |
| Kevin O'Donnell Jr | | 12 | s |
| | | | |
| Shawn Thomas Odyssey | New Books | 1 | s, f |
| Issui Ogawa | | 2 | s, f |
| Timothy O'Grady | | 5 | s, f, t, c |
| Marjorie O'Hara | | 2 | s, f |
| Tracey O'Hara | New Books | 3 | s, f |
| Eileen O'Hely | | 6 | s, f, m |
| David Ohle | | 3 | s, f, c |
| Janeen O'Kerry | | 9 | s, f, r |
| Hiroya Oku | New Books | 23 | s, f, h |
| Susan Torian Olan | | 1 | s, f |
| | | | |
| Joseph Olander | | 14 | s |
| Susan Olasky | | 10 | s, f, h, m, t, r, c |
| June Oldham | | 15 | s, f, m, c |
| Patrick O'Leary | | 5 | s |
| Beverly Olevin | | 2 | s, f, c |
| Keith Olexa | | 3 | s, f, c |
| Sibylle Von Olfers | | 7 | s, f, h, m, t, r |
| Gloria Oliver | | 5 | s, f, h |
| Jack Oliver | | 4 | s, f |
| Lin Oliver | New Books | 38 | s, f |
| | | | |
| Jack Olsen | | 36 | s, m |
| John B Olson | | 6 | s, t |
| Jerry Oltion | | 17 | s |
| Daniel O'Mahony | | 5 | s |
| Kathleen O'Malley | | 4 | s |
| James O'Neal | | 2 | s |
| Joseph O'Neill | | 5 | s, c |
| Pamela O'Neill | | 3 | s |
| Jeffrey A Onorato | | 1 | s, f |
| Linda Opdyke | | 3 | s, f, m, t, r, c |
| | | | |
| Gary Orchard | | 1 | s, c |
| Rebecca Ore | New Books | 12 | s, f |
| Robert O'Riordan | | 3 | s, h |
| Kate Orman | | 13 | s |
| Edward Ormondroyd | | 13 | s, f |
| George Orwell | | 64 | s, h, c |
| Joanne Van Os | | 4 | s, f, h, m, t, r |
| Stephanie Osborn | New Books | 6 | s, f |
| Cary Osborne | | 5 | s, f |
| Neale Osborne | | 1 | s, f |
| | | | |
| Terri Osborne | | 5 | s |
| William Osborne | New Books | 1 | s, f, h, m, t, r, c |
| Patti O'Shea | | 10 | s, r |
| Samira Osman | | 2 | s, f |
| Claudia Osmond | New Books | 1 | s, f, h, m, t, r, c |
| Jerry Oster | New Books | 12 | s, m, t, c |
| Adam Osterweil | | 4 | s, f |
| Pierre Ouellette | | 2 | s, t |
| Kirk Outerbridge | | 2 | s, t |
| Max Overton | | 7 | s, f, h, m, t, c |
| Emily Oz | | 3 | s, f |
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