Monty is an inventor and aspiring astronaut, but at twelve years old, he hasn't even left his hometown. This all changes when Monty, his sister Ivory, and their robot sidekick, Echo, stumble upon an abandoned spaceship deep in the woods after school one day...Soon, they find themselves in a countdown to liftoff... and they can't stop it!Join Monty and his crew as they blast off into space, explore Mars, and discover a hidden secret in The Iron Heart of Mars.