Those in Peril - Wilbur Smith

While cruising on the family yacht in the Indian Ocean, nineteen-year-old Cayla Bannock is attacked and taken hostage by Somalian pirates. Her kidnappers demand a staggering ransom: twenty billion dollars. And Cayla's not just anyone-she's the daughter of Hazel Bannock, heiress to the Bannock Oil Corporation, one of the world's foremost oil producers.
The sensitive global political climate means not even the most powerful groups in the world can intervene. Left to handle the problem on her own, Hazel calls on Hector Cross, head of the security agency that protects Bannock Oil. As threats increase and evidence arises of horrific torture, the need to take action becomes more urgent than ever-and soon Hazel and Hector will have no choice but to take the law into their own hands.