| Author | Title | ISBN | Publication Year | Publisher | Format |
|---|---|---|---|---|---|
| Harriet O'Brien | Queen Emma And The Viking | 9781582345963 | 2005 | Bloomsbury USA | Hardcover |
| Kevin O'Donnell, Jr. | ORA:CLE | 9780425072608 | 1984 | Berkley Pub Group (Mm) | Paperback |
| Kevin O'Donnell, Jr. | Mayflies | 9780425057766 | 1982 | Berkley | Paperback |
| Kevin O'Donnell, Jr. | Cliffs | 9780425083871 | 1986 | Berkley Books | Paperback |
| Kevin O'Donnell, Jr. | Lava | 9780425052488 | 1982 | Berkley Books | Paperback |
| Kevin O'Donnell, Jr. | Reefs | 9780425050590 | 1981 | Berkley Books | Paperback |
| Kevin O'Donnell, Jr. | Caverns | 9780425047309 | 1982 | Berkley | Paperback |
| Chad Orzel | How To Teach Physics To Your Dog | 9781416572282 | 2009 | Scribner | Hardcover |