Based on the information given, it should be noted that the central idea in the book is that different cultures have their preferable breakfast.
A central idea simply means the main idea that contained in a story. It's simply what the author wants the readers to know.
In this case, the central idea in the book is that different cultures have their preferable breakfast. The author stated that the Japanese, Swedish, etc all have a peculiar breakfast.
Learn more about central ideas on:
https://brainly.com/question/2684713
