The Vatican's Last Secret (James Dieter Book 1)

Reissued as of 29 July 2019.  92% Positive rating on Goodreads! 
** A TOP 20 KINDLE THRILLER BEST SELLER**
 
During the closing days of WWII, senior Nazi party and Vatican
officials committed the most brazen robbery of all time.
In this fast-paced Thriller, Hans Dieter is a well-known
philanthropist with a dark past. From his deathbed, he has
one last story to relay to his son, Jim Dieter (retired Navy SEAL)
and his best friend, Dan Flaherty, about the role he
played in a robbery involving top Nazi and Vatican officials.

A robbery that for over 70 years, The Vatican has killed to keep its
secret buried.

Now a deadly game of cat and mouse quickly ensues across the
globe involving The Vatican, MI-6 and Interpol, all hot on the trail
of Jim, Dan and Jim's fiancé, Nora Robinson, as they search to
discover--The Vatican's Last Secret.

The sequel to The Vatican's Last Secret has been released.
Look for THE VATICAN'S FINAL SECRET.

Also, The Devil's Suitcase was released in April 2018.