Seventh Grade vs. the Galaxy

Percy Jackson meets Star TrekPSS 118 is just your typical school—except that it''s a rickety old spaceship orbiting Ganymede, a moon of Jupiter. Jack''s dad used to be the science teacher, until he got fired for tinkering with the ship. Now Jack just wants to get through the last day of school without anything else going wrong.But when the school is mysteriously attacked, Jack discovers that his d...