1a. Tosiasioita ufoilmiöstä. Printed version in Finnish published by UFO-Finland in 2001.
1b. Tosiasioita ufoilmiöstä. Updated version in Finnish on CD-ROM 2011.
1c. Fakta om UFO. Same as above but in Swedish. Updated version on CD-ROM 2011.
2a. Onko ufoilmiössä logiikkaa?. Printed version in Finnish published by UFO-Finland in 2003.
2b. Onko ufoilmiössä logiikkaa?. Updated version in Finnish on CD-ROM 2011.
2c. Finns det logik i fenomenet UFO?. Same as above but in Swedish. Updated version on CD-ROM 2011.
3a. Tähtitieteilijät ja ufot. Printed version in Finnish published by UFO-Finland in 2004.
3b. Tähtitieteilijät ja ufot. Updated version in Finnish on CD-ROM 2011.
3c. Astronomerna och UFOs. Same as above but in Swedish. Updated version on CD-ROM 2011.
(Books no. 3 contain information about what about 550 astronomers have said about UFOs)
4a. Tiedemiehet ja ufot. CD- ROM version published by FUFORA in 2008.
4b. Tiedemiehet ja ufot. Printed version published in 2006.
4c. Vetenskapsmännen och UFOs. Same as 4a but in Swedish. Updated on CD-ROM 2011.
4d. Tiedemiehet ja ufot. CD-ROM in Finnish updated 2011.
(Books no. 4 contain information about what about 2500 Ph.D:s and professors have said about UFOs).
5a. Ufot ja MIB. Updated version in Finnish on CD-ROM 2011.
5b. UFOs och MIB. Updated version in Swedish on CD- ROM 2011.
(Books no. 5 contain all the MIB- stories found in about 1437 references).
6. Ufojen varjossa. CD-ROM published by FUFORA in 2008.
7. Kirjallisuuslista. CD-ROM in Finnish updated in 2011. Lists about 2400 ufobooks in English and Finnish.
8. Litteraturförteckning. CD-ROM in Swedish updated in 2011. Lists about 2400 ufobooks in English and Swedish.
9. Ulkomaista ufokirjallisuutta. Published by the author 2011 on CD-ROM in Finnish. Contains reviews of 372 ufobooks published in English. 224 of these reviews are published on UFO-Finland’s homepage.
10a. Outoja kohteita Suomen taivaalla. Printed version in 2007. Contains information of Finnish UFO-Photographs and is a byproduct of Björn Borg’s cooperation with Vicente-Juan Ballester Olmos for the FOTOCAT project.
10b. Outoja kohteita Suomen taivaalla. Same as above but updated version of 10a) on CD-ROM 2011.

All those books are continuously updated and they have one common list of references, including 1437 references as of December 2011.

Also Editor-in-Chief. for FUFORA´s yearbook Uforaportti 15-16 (2009), Uforaportti 17 (2011) and Uforaportti 18 (2011) and forthcoming Uforaportti 19 (2012).