Chris Bradford 
Bodyguard: Ransom (Book 2) [EPUB ebook] 

Bodyguard: Ransom is a bullet-proof thriller by Chris Bradford, bestselling author of the Young Samurai books. it’s Lee Child for younger readers – Cherub meets Jason Bourne, a surefire winner for fans of Robert Muchamore and Anthony Horowitz’s Alex Rider books. Connor Reeves is a bodyguard, trained in surveillance, anti-ambush technique, hostage survival and unarmed combat. He’s already proven himself saving the American President’s daughter from terrorists in Bodyguard: Hostage. Now he is on board the mega-yacht of a media mogul. His job: to protect the twin daughters of this wealthy man. His challenge: pirates storm the yacht and Connor is in very stormy waters . . .