Frantic (Book 4 of the Detective Ryan Series)

Despite the odds, Detective Ali Ryan put the man known as the Puppet Master behind bars. Another serial killer investigation has come to an end. It was time to celebrate...it was time for a vacation; that was her plan. However, one phone call changed everything when she learns Valentina Esposito was kidnapped shortly after arriving in New York. Ali Ryan is racing the clock. Will she be able to save the lieutenant's daughter?