Deadly Rx (2nd Book in the Pharmacy Sleuth Trilogy)
by Renee Horowitz
Did pharmacist Ruthie Kantor Morris make a fatal mistake in filling a teenage girl's prescription or did someone else substitute the blood-thinning medication? Convinced she made no error, the Arizona pharmacist must uncover what really happened to Amy Brookman and restore her professional reputation. As she unearths myriad Brookman family secrets, she faces mortal danger.