The story is set in a forest " on the eastern spurs of the Karpathians." It is winter, and night time. We aren't given a date when the story is set, but the tensions and technologies suggest late 19th to early 20th century.
1936 during the Great Depression in Flint, Michigan in a cold climate around winter.
"the interlopers" takes place in the Carpathian Mountains in southeast Europe, probably in the early 1900s.
Flint, Michigan in 1936
You should remember that the setting of any story is the time it occurs, and the place it happens. When and Where.
In this book, the time is the Great Depression, and the place changes, but it is primarily Chicago, and the Midwest. Isn't it? Or is it the lower pennisula of Michigan? :>
Michigan during the Great Depression
The setting is in Flint, Michigan in the USA during the great Deprsion or the 1930's