Photo books and personalized romance novels both turn a relationship into a keepsake, but they do very different emotional jobs. A photo book preserves memories that already happened. A personalized romance novel turns the person or relationship into a new story.
The best choice depends on the occasion. If you have years of strong photos and want a visual archive, a photo book is hard to beat. If you want a gift that feels imaginative, intimate, and one-of-one, a custom novel has more room to surprise them.