Jak Jinnaka
3 primary works
Book 1
When vicious thugs kidnap his girlfriend, Sesh, teenager Jak Jinnaka discovers that Sesh is really a princess from a distant world and that his uncle is a spymaster who has been secretly grooming Jak as a secret agent, as he embarks on his first assignment to ransom Sesh from her captor, the Duke of Uranium, who controls all fissionable material in human space.
Book 2
Book 3