“I killed him.” Those are three words that nobody wants to hear. Especially from your own sister that you’d do anything to protect.
Set in Nigeria, My Sister, the Serial Killer is the story of two sisters, Korede and Ayoola. They are polar opposites, as siblings tend to be. Korede is the older sister, with a caring and dependable nature. She works as a nurse and keeps mostly to herself. Ayoola, on the other hand, is beautiful, alluring, desired by men, and well-loved by her social media followers. She’s also irresponsible, self-absorbed and …oh yeah, a serial killer.
The first time that Ayoola killed a boyfriend, Ayoola believes Korede’s statement in that she acted in self-defense. But when it happens again (and again), she begins to question it. Regardless, she continues to help Ayoola dispose the bodies and cover up the crimes. As she puts it, “We are hardwired to protect and remain loyal to the people we love.”
Korede lives in a state of constant frustration over her sister’s carelessness and fear that they will both get caught. With nobody to turn to, she confesses her feelings to one of her comatose patients. Meanwhile, her sister catches the eye of Tate, the kind, smart and handsome doctor that Korede’s been crushing on. There’s no doubt that Korede feels anger and jealousy. But with her sister’s history with men, she’s also incredibly fearful of what she might do next.
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Josie Buhrman has a haunting past. One that she has kept well hidden for the past thirteen years. Ten years prior, her father was murdered by the neighbor next door. Afterwards, her mother ran away to join a cult. Josie and her twin sister, Lanie, are then taken in by their Aunt Amelia. 
Kathleen Barber was raised in Galesburg, Illinois. She graduated from the University of Illinois and Northwestern University School of Law, and previously practiced bankruptcy law at large firms in Chicago and New York. When she’s not writing, Kathleen enjoys traveling the world with her husband.