Oskari Onninen has written at least 1 book. Their most popular book is Tarpeettomia ihmisiä with 1 save with an average rating of -⭐.
Series
2 primary booksAuthored 33% of series
Long Play is a 2-book series with 2 primary works first released in 2014 with contributions by Juha Kauppinen, Maria Pettersson, and Oskari Onninen.