Dangerous Ally Book Six tells the story of CIA agents Tom and Jenny Parker being called by the President of the United States to investigate the relationship between the British Prime Minister's relationship with a Russian businessman. The President is concerned about the trips the Prime Minister and his wife have taken to see ballet performances in Paris and Moscow as the guests of this Russian businessman.

Arriving in London, Tom soon becomes the target of unknown people who intend to kill him, and it seems they know his every move. Is there someone in the local CIA office helping or someone who works in the British Secret Service office providing information to them?

Can Tom and Jenny survive this assignment and get back home to their Beverly Hills mansion before these killers can keep their promise that they are going to kill Tom?

Clark and his wife Karen live in Springfield, Missouri, and in the past, they spent a lot of time traveling the world on tours and ships. They have been to six continents and ninety countries. Their traveling has been brought to a halt due to Clark's health. His illness has affected his walking caused by his back from too much walking in his life working in the parking industry. His work required him to survey many cities around the world for parking control for universities in the USA. Europe: Asia: Australia and South America.