After a failed assassination attempt on the president of Zimbabwe, ex-soldier-turned-mercenary Sonja Kurtz is on the run and heads for her only place of refuge, the Okavango Delta in the heart of Botswana. She's looking to rekindle a romance with her childhood sweetheart, safari camp manager Sterling Smith, and desperately wants a fresh start and to leave her perilous warrior lifestyle behind. But Sonja discovers her beloved Delta is on the brink of destruction. Soon Sonja finds herself caught in a deadly web of intrigue....

Sonja Kurtz - former soldier, supposedly retired mercenary - is in Vietnam carrying out a personal revenge mission when her daughter sends a call for help. Emma is on a dig at the edge of Namibia's Etosha National Park, studying archaeology, and she's discovered a body that dates back to the country's liberation war of the 1980s. The remains, identified as Hudson Brand, are a key piece of a puzzle that will reveal the location of a modern-day buried treasure. A find people will kill for.

One mission...countless enemies. Former mercenary Sonja Kurtz is hired by business tycoon Julia Clyde-Smith to head an elite squad. Their aim: to take down Africa's top poaching kingpins and stop at nothing to save its endangered wildlife. But as the body count rises, it becomes harder for Sonja to stay under the radar, and she is targeted by an underworld syndicate known as The Scorpions.

The unmissable new heart-racing thriller from the master of adventure and suspense, Tony Park. Joanne Flack is on the run - suspected of stealing a rare African plant thought to be extinct and worth millions of dollars. Sonja Kurtz is hired by the CIA to hunt down Joanne and find the link between the missing plant and a terrorist group hiding out in South Africa. Joanne is a member of the Pretoria Cycad and Firearms Appreciation Society who take it upon themselves to track down the plant...and the traitor in their midst who is willing to kill for it.

Ex-mercenary Sonja Kurtz is out for revenge after her daughter Emma is assaulted by an abalone poacher while on a beachside holiday near Cape Town. When the poacher is murdered, Sonja is targeted by a violent local gangster and must flee the country. As Sonja leaves a trail of destruction in her wake – from the threatened wilderness of Zimbabwe to the treacherous beaches of northern Mozambique – a concerned Emma must find the courage to rescue her mother.