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Book Review of The Doomsday Key (Sigma Force, Bk 6)

The Doomsday Key (Sigma Force, Bk 6)
reviewed on + 2 more book reviews
Helpful Score: 2


As usual Rollins keeps you pretty much on the edge of your seat throughout this novel. Chapters end in cliffhangers to maintain your interest and keep you moving on. I really enjoy the history lessons along the way as well.