Tempt Me at Twilight, the third book in Lisa Kleypas's popular Victorian romance series.
Poppy Hathaway loves her unconventional family, though she longs for normalcy. Then fate leads to a meeting with Harry Rutledge, an enigmatic hotel owner and inventor with wealth, power, and a dangerous hidden life. When their flirtation compromises her own reputation, Poppy shocks everyone by accepting his proposal--only to find that...