The Seventh PlagueAudiobook CD - 2016
When a British archaeologist who had been missing for two years reappears, frantic and delirious, but dies before he can tell his story, Sigma Force must stop an ancient plague with ties to some of history's most innovative minds.
Publisher: [New York] :, Harper Audio,, 
Characteristics: 11 audio discs (13 1/2 hr.) ; 4 3/4 in. digital,rda audio file,CD audio,rda