Dragon Ball Z, Volume 12, Paperback

As the battle on Namek turns the entire planet into a fireball, Goku & Freeza fight it out to the end, & Goku makes a fateful decision. Awaiting Goku's return from outer space, Earth's heroes are shocked to find another, faster spaceship heading towards them. Freeza is back to destroy the Earth before Goku can get there to defend it