Butterfly Palace by Colleen Coble

In 1904 Lilly Dobson is in mourning for her mother and abandoned by the man she loves.  Moving to Texas she is hired for a position as a maid in a grand mansion and works for a spoiled young woman. Shocked to find her former boyfriend in this town she learns he is hiding his identity. There is a murderer in this town killing young women.  Who else is going to be killed?  How can she stay safe and know who is hiding unlawful deeds in this elegant society?  There are strange noises in the mansion and secret tunnels are found. Her master's exotic butterfly collection distresses her and causes an eeriness in this home. A web of secrecy, conspiracy, and some religious undertones make this novel interesting and in anticipation of the solving of different plots in the story.