What does it mean to be a superhero? Before 2001, that would have been a question relegated to comic books, but then The Event turned a small number of people around the world into superhumans. Martin McDavis, the accomplished young physicist who has brought science fiction to the world with working nuclear fusion, is also the world's most potent and mysterious superhero.

Quarterback, the suited alter ego of Martin McDavis, has the unique superpower of being three-quarters as strong as other superhumans. While never the best at any one superpower, he is remarkably potent at everything.

The alien empire that led to The Event has discovered that Earth had stopped its potent weapon and, in fact, has started to adopt its technology. Martin McDavis, aware of the Cubarian Empire's actions, leads the world's efforts in developing the technology to meet the Cubarians on their own terms.

A potent threat, considered dead, rears its ugly head as The Dragon lets the world know about his survival. Quarterback is drawn to confront this renewed threat and handle the new dangers The Dragon brings to the United States and the world at large.

The Cubarian threat reaches a dangerous level as Earth is threatened by interstellar warships. Quarterback is challenged far beyond any battle before this and realizes that victory can only come if he crosses a line he has held sacred.

Can Quarterback secure a victory without crossing this line, or will Earth suffer unimaginable pain and suffering?Quarterback and Martin McDavis are pushed to new limits as The Dragon and an interstellar threat endanger lives around the globe. This thrilling finale to the Quarterback series answers many questions, but even more are posed as the Cubarian Paradox reveals its true nature.

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