A Green Christmas!

Zack wants to go back to Earth for a white Christmas—but it turns out a green Christmas is just as cool! Christmas is just a few days away and Zack Nelson can’t wait to get back to Earth and spend it with his relatives in Vermont. He’s looking forward to sledding and having a white Christmas! But when a cosmic storm hits Nebulon, the Nelsons have to cancel their travel plans and spend Christmas on their new home planet. Zack is distraught....until the storm hits. What are those green flakes fall