Right from the first sentence, I was immediately hooked. I'm one of those oddballs who keeps intrusively thinking, "Wow, I really love this," while I'm reading something really good, and I circled back to that thought nearly every single paragraph. The emotions, the prose, and the characters were all wonderful, and I was SO impressed by the unique take on the spirit world. I'll admit I haven't really read many ghost-centric romances (only two come to mind, and they were both YA stories), but Escobar really went above and beyond with her storytelling in regards to a ghost interacting with the physical world.
One of my favorite methods of communication between Claire and Dorian was Dorian's typewriter. Once she'd started being able to touch physical items again, she was able to speak to him through typing, and I found it to be an effective and creative method of conversation. It really allowed a deeper look into the characters' backgrounds as well, and without feeling exposition-y.
I don't want to spoil anything more, because this is a novella (55 pages), and you should definitely see for yourself what all the fuss is about! I easily read it in one sitting, and in an hour, give or take. I can't say how long exactly, since I never took my eyes from the pages. One more thing I will say, however, is that I got a literal chill from the last line. This story was so beautiful!