Sabotage In Space

During final exams Roger cons a younger cadet out of some study spools that were supposed to go their arch rivals the Capella Unit. After learning of this Tom and Astro convince Roger to return the tapes but in so doing causes a fight that nearly expels the two groups. Both units are placed on trial and the Polaris Unit is sentenced to guard duty for a Top Secret Projectile Project that has the potential to revolutionize space travel. While on guard duty the unit is engulfed in a conspiracy to sabotage the project, during which the unit is thought to have gone AWOL. It is up to Tom, Roger and Astro to clear there name and save the project from certain disaster. Book seven of the Tom Corbett Space Cadet series.