Olli Jalonen has written at least 5 books. Their most popular book is Taivaanpallo with 3 saves with an average rating of 3.75⭐.
They are best known for writing in the genres Fantasy and Science fiction.
Series
2 primary books3 released booksAuthored 40% of series
Angus is a 5-book series with 2 primary works first released in 1930 with contributions by Marjorie Flack, Olli Jalonen, and Stefan Moster.