Alacrity Fitzhugh and Hobart Floyt vol 2 : Jinx on a Terran inheritance
Brian Daley1985

Once upon a time the dying ruler of a small Interstellar kingdom made a minor Old-Earth bureaucrat named Hobart Floyt the surprised inheritor of an Interstellar spaceship. But the dead ruler never told him how to find it, the bureacrats of earth wanted it for themselves...And someone kept trying to murder him and his Friend !