The Ryans - father and son - are fighting on two fronts... When a deadly terrorist alliance creates the potential to blackmail any world power into submission, it's got to be stopped before it is too late. That's just the trigger Jack Ryan Jr needs to take his work for shadowy intelligence agency The Campus from the back room to the sharp end.

INSPIRATION FOR THE THRILLING AMAZON PRIME SERIES JACK RYAN . . .

Jack Ryan Jr. returns in Locked On, the gripping thriller from Tom Clancy.
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The Ryans - father and son - are fighting on two fronts . . .

When a deadly terrorist alliance creates the potential to blackmail any world power into submission, it's got to be stopped before it is too late. That's just the trigger Jack Ryan Jr needs to take his work for shadowy intelligence agency The Campus from the back room to the sharp end: black ops.

Meanwhile, his father, Jack Ryan Sr, campaigning for re-election as US President, is up against a privately funded vendetta to discredit him. Caught at the heart of the conspiracy is former Navy SEAL, John Clark. And Ryan Sr soon discovers that being his friends could have deadly consequences.

With the breakneck speed and military action scenes that have made him the premier thriller writer of our time, Tom Clancy delivers a novel of high-tech warfare in which the enemy within may be even more devastating than the enemy without.

Locked On follows the gripping Dead or Alive and The Teeth of the Tiger as the explosive third novel in Tom Clancy's Jack Ryan Jr. series.

Praise for Tom Clancy:
'Truly riveting, a dazzling read' Sunday Express
'A brilliantly constructed thriller' Daily Mail