Little lamb lost

Social worker Claire Conover honestly believed she could make a difference in the world until she receives the phone call she'd dreaded her entire career. One of her young clients, Michael, has been found dead and his mother, Ashley, has been arrested for his murder. Wracked with guilt and her career in shambles, Claire is determined to discover where her instincts failed her. She vows to find the real story behind Michael's death.--From publisher's description.