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Book Review of The Sigma Protocol

The Sigma Protocol
swingsistert avatar reviewed on + 78 more book reviews
Helpful Score: 1


This unabridged tape set made me want to sit in my car after my commutes! The thriller starts with a series of unexplainable circumstances that quickly gathers pace! I was completely caught up in the story, even talking to the characters!

The narrator provides an amazing array of character voices and brings you right into the story.