Decades ago, as a young CIA analyst, President Jack Ryan, Sr. inadvertently uncovered the existence of a KGB assassin, code-named Zenith. He never found the killer.In the present, President Valeri Volodin has risen to power in the Russian republic. But the foundations of his empire are built on a bloody secret from the past, and he'll eliminate anyone who comes close to that truth.When an old friend of the Ryans is poisoned by a radioactive agent, the trail leads to Russia. And for Jack Ryan, Jr. it's time to finish what ...

Command Authority 2014, Berkley Books

ISBN-13: 9780425275139

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Command Authority 2014, Lpp

ISBN-13: 9781594137563

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Command Authority 2014, Michael Joseph Ltd, London

ISBN-13: 9780718179212

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Command Authority 2013, Putnam Adult, New York

ISBN-13: 9780399160479

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Command Authority 2013, Random House Audio Publishing Group, New York

ISBN-13: 9780804163941

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Command Authority 2013, Thorndike Press

ISBN-13: 9781410464972

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