# Command Authority

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![Command Authority](https://quivercdn.com/covers/penguin/tom-clancy/command-authority_978-07-1817-922-9-ce86fbf0.webp?v=2026-10-17%2002%3A41%3A57)

- Book: [Command Authority](https://www.bookquiver.com/tom-clancy/command-authority) ([Command Authority.md](https://www.bookquiver.com/tom-clancy/command-authority.md))
- Authors: [Tom Clancy](https://www.bookquiver.com/tom-clancy), [Mark Greaney](https://www.bookquiver.com/mark-greaney)
- Publisher: Penguin
- ISBN: 978-07-1817-922-9
- Pages: 784
- Published: 2019-07-04
- Language: en_GB
- Binding: Softcover

## Description

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 his father started . . .