Scott Tom Scott 
This is Far Enough [EPUB ebook] 

Homeland Security Agent Ben Stafford is sent to Italy by a secret CIA artificial intelligence computer program. His job there is to find a shipment of heat-seeking missiles that were smuggled into Italy from Libya on an Egyptian cargo ship, along with a missing shipping of South African nuclear reactor fuel. While bullets are flying, time is running out. He has the help of a good woman, a Guardian Angel who is also a CIA agent, and a talking cat. Does he really hear the voice of God leading him, or is it his imagination?Decide for yourself.