Jax, Ginny and Bobby invent a new propulsion system and at the same time the United States Mars Mission has a disaster in space So the gang does the only thing possible, they build a spaceship out of junkyard parts and set off to save the doomed Astronauts. Along the way, they acquire two large junkyard dogs, a junkyard owner accomplice and make friends with a suspicious Chinese Spaceship crew. Will they make it to Mars in time to find the fuel the United States Mars Mission astronauts need to be saved? Will their home built Junkyard Spaceship survive a direct meteor strike? What happened when Jax tripped? (much more than you can imagine ) Jax Wright and the Monumental Mars Mission is an exciting romp through space, with kids who solve problems that would leave most adults gasping for air. Jax the budding scientist, Ginny the amazing programmer and Bobby who can build just about anything, including a spaceship.