I enjoyed this story. I couldn't find a good place to put it down so I read it almost straight through and stayed up until 3am and then slept 3.5 hours before picking it back up. Until the Sun Falls From the Sky was a paranormal romance about a vampire, Lucien, and his mortal concubine, Leah. The thing that bothered me most about this story was that Leah is supposed to be 40 years old. Besides having her age mentioned a few times, there is no indication of her actually being that old. She behaves around 23-25 years old and the most I could let slide would be for her to be 30. It's really strange and very obvious that she doesn't fit her age. 
 Lucien and Leah made a good pair when Leah was able to get beyond her immaturity, assumptions, and overall mistrust of Lucien's feelings toward her and their arrangement. I like Lucien more than Leah. I also really like the secondary characters; especially Stephanie, Cosmo, Avery, and Edwina. 
 Overall, I give Until the Sun Falls From the Sky 4 stars.