Enjoy reading in the garden this summer. Picture: Getty HOLIDAYS will feel slightly different this year with foreign jaunts looking unlikely (at least at present). Whether you are heading off to explore Scotland at large – or relaxing in your own back garden – our round-up of recent fiction and non-fiction releases is designed to help you while away a lazy afternoon (or two). THRILLERS Hostage by Clare Mackintosh (Sphere, £14.99) Fasten your seatbelts. Hostage is a white-knuckle ride that takes the classic locked-room thriller airborne. This gripping read by police officer-turned-aut...