Well, in 'Summer Days and Other Stories', one of the main themes is likely to be about the experiences during summer. This could involve themes like love that blossoms in the warm season, the freedom that summer often brings, and the memories created during those days. There may also be themes related to family and friendship, as these relationships are often explored in stories set during a particular time of year. Another possible theme could be the changing of seasons as a metaphor for the changing phases of life.
I think the main themes in 'Summer Days and Other Stories' would be centered around the essence of summer days. It could be about how the heat and the long days affect the characters' moods and actions. Also, it might explore the idea of new beginnings, as summer can be seen as a time of renewal. Additionally, it may look at the concept of nostalgia, where characters recall past summers or experiences during the course of the stories.
The main themes could include the passage of time, relationships, and perhaps the beauty of summer days. It might also touch on personal growth and the small, yet significant, moments in life.