Line of Demarcation (novel)

Line of Demarcation
AuthorM. P. Woodward
Audio read byScott Brick
LanguageEnglish
SeriesJack Ryan Jr.
Release number
13
Genre
PublisherG.P. Putnam's Sons
Publication date
May 20, 2025
Publication placeUnited States
Media typePrint (hardcover), Audio, eBook
Pages400
ISBN9780593718001
Preceded byShadow State 
Followed byTerminal Velocity 

Line of Demarcation (stylized as Tom Clancy Line of Demarcation or Tom Clancy: Line of Demarcation) is a techno-thriller novel, written by M. P. Woodward and released on May 20, 2025. It is his second book in the Jack Ryan Jr. series, which is part of the Ryanverse featuring characters created by Tom Clancy. Line of Demarcation is the first of two books by Woodward featuring Jack Junior to be published in the same year, the other being Terminal Velocity.

In the novel, Jack and the Campus must stop a conspiracy between Venezuelan narcoterrorists and Russian mercenaries to seize Guyana's recently discovered oil fields. It debuted at number eleven on the New York Times bestseller list.