Although Michelle writes short stories, this question is important for book writers too.
"Some
stories begin with a problem," she wrote, "and it is solved through
several small events. I can't find how the other stories might begin. "
There are essentially three ways to begin a story (or book).
1. Through characters
2. Through a location (usually a location that is vital to the story and ends up being as strong as a character)
3. Through what's called a "triggering" event