Douglas Hill 
Galaxy’s Edge 

The Edge – the farthest solar system of the civilized galaxy. Its one inhabitable planet, Tallyra, is unconventional, ungovernable an teeming with crooks – and it’s where young Jaxie Cade heads when he breaks jail with stolen information that could lead him to the fabled Phantom Planet, the dream of every Edge-worlder…But trouble is right behind Cade: trouble from the alien Occians, from whom Cade stole the information; and from Raishe – a bounty-hunter and combat-ace determined to drag Cade back to prison. And that’s before the Commonwealth Intelligence Agency turns up – or the evil, mysterious criminal, Acs, takes a hand…