House of the Dragon teaser trailer (GoT prequel)

Question for the book readers. I've read all the game of thrones book, but not this one since i heard it was more of a history than a story. Is that true? Is this one a page turner?
You heard right, it is more of a history. Though, a little more interesting because told by an unreliable narrator. Worthwhile if you feel GRRM-withdrawal-symptoms, but otherwise not a page-turner.