A galactic war. Star-crossed lovers. What could possibly go wrong? Jas Harrington has risen from a lowly ensign to the rank of commander in the Unity Alliance, which has been at war with the Shadows for the last five years. But her rapid promotion means little to Jas. She hasn't seen the love of her life for the duration of the war, and she doesn't know if he's dead or alive. As the battle to decide the fate of the galaxy draws near, Jas readies her...

Humanity is at war with invading aliens, and the battle's about to go galactic. Security chief Jas Harrington has exposed the secret invasion of Earth by hostile aliens called Shadows. She hopes the Transgalactic Council can come to Earth's aid, and she and her companions await the Council's arrival at Ganymede Outpost. The galactic adventurers have with them the enigmatic organisms they rescued from a military weapons research station on Mars. When...

A guide to the reading order of the science fiction novels and collections of J. J. Green.

Do mercenaries and mages mix? Carina Lin has fought torturers, vengeful clans, and the forces of darkness to free her mage family, but her fight is not over yet. She returns to the planet where she discovered clues to mage history and lore, hoping to find the way back to Earth and a new home. But waiting for her is the clan she escaped, and they want nothing more than to enslave the mages and use them as weapons in never-ending clan warfare. She enlists...

Watch out! Carrie Hatchett has a plan. Carrie's impulsive, reckless nature gets her in trouble again, and if she wants to keep her job as a Transgalactic Intercultural Community Crisis Liaison Officer, she has to pass remedial training. Little does she know that her survival and the future of the galactic empire are also at stake. With the help of her level-headed bestie, Dave, and her fellow alien trainees-an intelligent slug, a mysterious box, a...

Deadly alien stowaways... A determined starship's crew... The battle for Earth is on. Jas Harrington made it back to Earth after battling hostile aliens at the far reaches of the galaxy. What she doesn't know is, the aliens have hitched a ride. When the crew disembarks, Jas parts company with the pilot, killing their budding romance. Oh well, never mind. Then comes the game changer. Jas realizes Earth is being invaded, and no one's doing anything...

When the greatest minds in the galaxy can't solve a problem through logic or reason, they call Carrie Hatchett. Carrie and her reluctant sidekick, Dave, have succeeded in driving the evil mechanical aliens, the placktoids, to their only remaining hiding place-the past. But the danger isn't over. The Transgalactic Council suspect the placktoids are trying to change the course of history and re-emerge as rulers of the galaxy. Carrie and Dave are assigned...

In the void, Shadows lurk, waiting to arise. After surviving an attack by hostile aliens called Shadows, Jas Harrington and the crew of the Galatheahave made it back to Earth. There, the lies of the ship's acting captain mean that Jas faces some hard questions from the committee investigating the attack. But more urgent problems become apparent. Things on Earth have changed since Jas went away. Strange disappearances and odd behavior lead her to the...

A desolate alien world... A downed starship... A deadly invisible menace... When the prospecting starship, Galathea, crash-landed on a remote planet, the crew thought that help would arrive soon. They were wrong. The first officer's in the brig, and a series of deaths have left CSO Jas Harrington where she least expected to be-in command. That's fine. Ordering people around is her second-best talent. But she knows krat-all about damaged starship engines....

Hostile aliens are invading Earth, but no one's listening. Jas Harrington, chief security officer of the starship, Galathea, has returned to Earth after defeating the aliens called Shadows, only to find they're invading her home planet. Everywhere she turns, the aliens are walking among Earth's population unnoticed. They've infiltrated the government and they're building Shadow traps, ready to launch a full-scale assault. As Jas tries to find a way...