| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Frozen in Time | 978-0-89051-418-4 (0-89051-418-6) | 2004 |
| The Weather Book | 978-0-89051-211-1 (0-89051-211-6) | 1997 |
| Uncovering the Mysterious Woolly Mammoth | 978-0-89051-508-2 (0-89051-508-5) | 2007 |
M. O. · Michael J. Oard · Michael Ohrt · Michael Ort · Michael Orth · Michel Orrit