Reader reviews and comments on The SIGMA Protocol, plus links to write your own review.

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The SIGMA Protocol

by Robert Ludlum

The SIGMA Protocol by Robert Ludlum X
The SIGMA Protocol by Robert Ludlum
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  • First Published:
    Oct 2001, 528 pages
    Paperback:
    Oct 2002, 672 pages

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There are currently 3 reader reviews for The SIGMA Protocol
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johnny cash

An excellent piece of work. the writing of it was quite profound but in the end ludlum comes through with a thriller. A must read.
rafael sarhi

this is an awesome book
alejandro ulloa

I like it
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