At the US Conference of Catholic Bishops website, there is an on-line bible, and accompanying that are introductions to each book of the bible.
Here is the introduction to Genesis.
Like the Catechism of the Catholic church, the introduction to Genesis states that figurative language is used, yet the genre is not “myth” in the common sense of myth because historical (as well as religious) truth is conveyed. But, the genre is not history either because the truth is conveyed in figurative rather than factual language.
Here’s a portion of that intro:
“How should modern readers interpret the creation-flood story in Gn 2–11? The stories are neither history nor myth. “Myth” is an unsuitable term, for it has several different meanings and connotes untruth in popular English. “History” is equally misleading, for it suggests that the events actually took place. The best term is creation-flood story. Ancient Near Eastern thinkers did not have our methods of exploring serious questions. Instead, they used narratives for issues that we would call philosophical and theological. They added and subtracted narrative details and varied the plot as they sought meaning in the ancient stories. Their stories reveal a privileged time, when divine decisions were made that determined the future of the human race. The origin of something was thought to explain its present meaning, e.g., how God acts with justice and generosity, why human beings are rebellious, the nature of sexual attraction and marriage, why there are many peoples and languages. Though the stories may initially strike us as primitive and naive, they are in fact told with skill, compression, and subtlety. They provide profound answers to perennial questions about God and human beings.”
Though I’m not Catholic, in this and many other matters I think the Catholic view has a lot to offer. The Catechism has more detail about truth from the early chapters of Genesis, especially an emphasis on original sin.