Cracked — Barbra Leslie

After her stormy marriage ends, Danny Cleary jumps down the rabbit hole into a world of crack cocaine â€" delivered to her door by a polite but slightly deranged dealer. But when Danny's twin sister Ginger is murdered, Danny and her rock musician brother fly to California to find their nephews â€" and the people who killed their sister. Fighting her addiction, nosy cops and crazy drug dealers, she kicks ass and takes names, embracing her inner vigilante in a quest to avenge her sister and save her family.
 
Cracked is a darkly comic roller-coaster ride to redemption as Danny struggles with bad guys and her own demons to find out who killed her twin.