An air force pararescueman and his son are on the run in William F. Sine's gripping debut novel, "Tricklock."

When Master Sergeant Jake Tricklock takes his adolescent son, Simon, on a wilderness camping trip, he has no idea that his heroic actions in the field will leave them fighting for their lives.

But they must do just that when Khaled Ayoob, a rising al-Qaeda star, arrives with his team of killers to assassinate both Jake and Simon. Khaled hopes that by murdering them, he will ingratiate himself with a Taliban leader whose oldest son was killed by Jake during an attempted ambush...