From the NATIONAL BESTSELLING AUTHOR of When Duty Calls.

Captured by the alien Ramanthians, diplomat Christine Vanderveen must protect the Confederacy’s President from both their captors and fellow prisoners. But rescue is on the way, led by Lieutenant Tonio Sanchez, Vanderveen’s former lover, who must try to set aside his personal feelings for the sake of the mission....

In DeathDay the aliens took over our planet.

Now the invasion continues......

The clone assassin has been played long enough–
now it’s more than a game.

Bred to kill, Agent 47 is The Agency’s most valuable assassin. So when a competing murder-for-hire organization decides to destroy The Agency, the first person they target for elimination is Agent 47. Tasking someone to off the best hitman in the business is one thing; getting the job done is another. When the attempt falls short, Agent 47 is ordered to track down and kill the culprit who is feeding vital information about The Agency to its enemies.

Agent 47 must follow a bloody trail halfway around the world, fight his way through the streets of Fez, Morocco, and battle slavers deep inside Chad. Then he will discover a shattering truth: If he fails at his mission, the price he’ll pay will be far greater than his own life. . . ....

You're only a hero until your next battle.

Legion General Bill Booly knows that peace is just a pause between wars. He's just crushed one uprising, and now a new rebellion is already brewing on a remote world light years away--spawning a web of terrorism that is close enough to catch the vulnerable Confederacy in its grasp....

The Human-Covenant War, a desperate struggle for humankind’s very survival, has reached its boiling point on the mysterious, ring world called Halo. But the fierce Covenant warriors, the mightiest alien military force known, are not the only peril lying in wait.

As the fortress world of Reach and its brave defenders were bombarded to rubble, a single cruiser fled the carnage with the battle’s only human survivors—Captain Keyes, his crew of a few hundred Marines, and the last remaining SPARTAN super-soldier, the Master Chief.

With the cruiser’s artificial intelligence, Cortana, concealed in his battle armor, the Master Chief crash lands on Halo in the midst of a massive Covenant occupation. Curiously, the alien soldiers appear to be searching for something hidden on the ring. Built by a long-dead race, Halo harbors many deadly secrets, but one overshadows them all. Now the Master Chief must lead the scattered troops in a brutal race to unravel Halo’s darkest mystery—and unleash its greatest source of power. . . .

This novel is based on a Mature-rated video game.
...

Having stopped a mutiny against Earth's government, General Bill Booly and his troops face an even greater challenge: a battle for the future of every living being in the universe, against a fanatical human and his killer technology.

"Dietz's expertise in matters of mayhem is second to none."--The Oregonian ...

From the national bestselling author of When Duty Calls, the first book in an exciting new science fiction duology.

In a far-distant future, the Uman Empire has spread to the stars and beyond, conquering and colonizing worlds, ruling with a benevolent-but iron-fist. The Pax Umana reigns, and all is well. But on one planet, the remnants of a violent, shape-shifting race called the Sagathis are confined, kept captive by xeno-cops, who have been bio-engineered to be able to see through their guises. Still, sometimes one manages to escape.

Zak Cato is a xeno-cop. He's returning a fugitive Sagathi when things go horribly wrong. Cato- the only survivor after the rest of his men are slaughtered-must now figure out who betrayed them and bring the alien in, whatever the cost.

...

To ensure the survival of The Confederacy, the Legion of the Damned must establish a new capital on the planet Algeron--and seize faster-than-light technology from alien forces before it can be used against them....

As the war with the Ramanthian continues, Captain Antonio Santana and his force of biobods and cyborgs find themselves surrounded by enemy forces, faced with annihilation at every turn. On the home front, diplomat Christine Vanderveen finds herself torn between her love for Santana and her new loyalty towards the charismatic, recently elected president of the Clone Republic. As Christine fights her own divided heart, light years away, Santana is in a battle for his life. And this battle may be his last.

...

The gripping new Legion of the Damned novel—from the national bestselling author of When All Seems Lost.

As the war with the Ramanthian continues, Captain Antonio Santana and his force of biobods and cyborgs find themselves surrounded by enemy forces, faced with annihilation at every turn.

On the home front, Santana’s love—diplomat Christine Vanderveen—copes with growing shortages, treacherous allies, and her own emotions. Yet when she meets the charismatic newly elected president of the Clone Republic, she finds herself torn between old love and new loyalty.

As Christine fights her own divided heart, light years away, Santana is in a battle for his life. And this battle may be his last…...