 Another personal favorite of his, and also a popular success, was "Loviisa, Niskavuoren nuori emäntä" (1946), an adaptation from a Wuolijoki play.During Vaala's career, his most popular films reached huge audiences in relation to the size of his home country.One of his most popular films, "Juurakon Hulda" (1937), was seen in cinemas by approximately a million viewers out of a population of 3.5 million.