Maxwell, Edith. Quaker midwife mystery

"Quaker midwife Rose Carroll is enjoying the 1888 Independence Day evening fireworks with her beau when a teenaged Quaker mill girl is found shot dead. After a former slave and fellow Quaker is accused of the murder, Rose delves into the crime, convinced of the man's innocence. An ill-mannered mill manager, an Irish immigrant, and the victim's young boyfriend come under suspicion even as Rose's future with her handsome doctor suitor becomes unsure. Rose continues to deliver babies and listen to secrets, finally figuring out one criminalonly to be threatened by the murderer, with three lives at stake. Can she rescue herself, a baby, and her elderly midwifery teacher in time?"--Amazon.com