Also from Diversion Books - free
The Cilla Rose Affair by Winona Kent
What do a pirate radio station, a long lost diary, a suspected double agent and the sudden death of Britain's best loved breakfast show DJ have to do with the London Underground and mysterious soundwaves underneath the Fitzroy Theatre? Canadian intelligence agent and tv actor Evan Harris knows. And he's recruited his three sons to help him unmask the traitor deep within the British spy community. The result is a sting operation
http://www.amazon.com/dp/B0112KGVRM/
http://www.amazon.co.uk/dp/B0112KGVRM/
http://www.amazon.ca/dp/B0112KGVRM/