| Address | | | |
| Contact info | | | |
| General info : | | Finnish book publishing company founded in 1890 by Hannes Gebhard and Eliel Aspelin-Haapkylä. | |
| Websites | | Homepage (otava.fi/) | |
| Websites | | Twitter (twitter.com/OtavanKirjat) | |
| Source : | | Wikipedia (wikipedia.org/wiki/Otava_(publisher)) | |
| Websites | | Facebook (www.facebook.com/otavankirjat/) | |
| Copied Wikipedia parts under license : | | Creative Commons Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) | |
| Websites | () | | |