The lizard - Dugald Bruce-Lockhart

Obsessed with his ex-girlfriend, Alistair Haston heads off to Greece, where she is on holiday.
Mugged on arrival in Paros, he loses everything.
So when a charming Aussie, shows up and offers Alistair a job recruiting tourists to pose for his wealthy boss, Alistair accepts.
t doesn't take long to discover that it is not just painting the boss has in mind.
Swept along on hedonistic tide of wild parties, wild sex and plentiful drugs, he revels in the pursuit of pleasure.
But when the body of a missing tourist is found, all evidence points to Haston.
Arrested but allowed to escape, the body count piles up and Halston finds himself on the run by land and sea on a journey more breathtaking and more frightening than he could ever imagine.