R.J. Harbor

Premium Audiobooks

Space Bound Box Set, Books 1-3

Space Bound Box Set, Books 1-3

Get ready to blast off into a world of fun, discovery, and limitless possibilities! Get the first three books in this series together in this new bundle!! Launch into space on an exciting new mission to each planet in the Solar System. From the frigid...

The Dark Side of Mercury

The Dark Side of Mercury

On their last trip to space Monty, Ivory and Echo unexpectedly met missing astronaut, Ryker Jackson. After accepting his mission, the crew is tasked with traveling the solar system to gather samples in order to create the super fuel for Jackson's new...

The Haze of Venus

The Haze of Venus

Just as Monty is preparing to spend some time with one of his best friends, an urgent message come in from Ryker Jackson! If they want to help Jackson create his super fuel anytime soon, they'll have to leave for Venus now, which means missing his...

The Iron Heart of Mars

The Iron Heart of Mars

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...

The Red Storm of Jupiter

The Red Storm of Jupiter

Join Monty, Ivory, and their trusty A.I. robot, Echo, in this epic space series! Launch into space on an exciting new mission to each planet in the Solar System. From the frigid deserts of Mars to the red storm of Jupiter, every planet presents a new...

The Rift of the Moon

The Rift of the Moon

Join Monty, Ivory, and their trusty A.I. robot, Echo, in this epic space series! Launch into space on an exciting new mission to each planet in the Solar System. From the frigid deserts of Mars to the red storm of Jupiter, every planet presents a new...