Winter House - Kindle ebook by Jack Hill

http://www.amazon.com/Winter-House-Jack-Hill-ebook/dp/B00D959K0Y

"Winter House" is the first book in the Winter House series.  20 years ago Jim Kanning and his young family were rescued by benevolent Billionaire Ted Jennings.  In return Kanning has worked faithfully, taking on dangerous clandestine assignments that fuel Jenning's incredible wealth and power.
As Kanning undertakes his latest assignment he soon discovers that things have changed.  He and his family are plunged into a life threatening race against time and the discovery of their true identities.  Lives will be changed forever!