"The son of one of the greatest ninjas alive, Ricky Feeple is just your average American teenage ninja. He goes to school, journeys to different dimensions, fights aliens, time-travelers, and ninja maidens, all while dealing with extra homework. Now, a challenge unlike any before has surfaced in the form of the Shidoshi, a long-absent ninja clan bent on absorbing or destroying all inferior ninja. They've infiltrated Rich's school and are setting mad scientists, sociopathic catgirls, killer robots, immortal vampires and lovesick college dropouts in his way"--Page 4 of cover