Koivunporras
By: Martti Rapola
Edition: Uudistettu painos.
Publisher: Otava
Published: 1969
Place of publication: Helsinki
Language: fin
Number of pages: 247
Other titles: Hämäläinen trilogia
Notes: First vol. of tha author's trilogy: Hämäläinen trilogia; the subsequent volumes are: 2d, Simpukankuori, and 3d, Vaarin maisema.