Midnight has been doing overtime in romance titles for years, and it remains an effective piece of shorthand: after hours, off the record, the version of a person daylight never gets to see. Nate Wilder writes The Midnight Men, and Until the Stars Fall is where that sequence begins for us.
The pairing of series and title is telling. One promises a group, a set of men whose stories will presumably be taken in turn, which is the most reliable structure in contemporary romance. The other promises permanence, or something reaching hard for it. Eleven hours is a substantial commitment for a single instalment, the length favoured by a writer who prefers to build slowly rather than resolve early.