Esko Valtaoja has written at least 7 books. Their most popular book is Kohti Ikuisuutta with 2 saves with an average rating of 4⭐.
They are best known for writing in the genres Space, Young Adult, and Exobiology.
2 Readers • 303 pages • 4
2017 • 1 Reader • 176 pages • 3
2019 • 1 Reader • 191 pages
1 Reader • 286 pages • 4
2019 • 1 Reader • 4
2001 • 1 Reader • 333 pages
2012 • 1 Reader • 220 pages • 4