Keedu and his army of dark mages have fled after their defeat at the hands of Bill Marshall in Sentinels of Far Sun. While most are content to find a quiet planet and stay out of the way, Keedu thirsts for revenge and is desperate to regain his honor, even though no force can stand before the Master of the Stones. On a small planet at the edge of the galaxy, Keedu encounters the most evil enigma of his home world, who is conveniently willing to help.

Osphalon the demon fed on the life energy of Keedu's ancestors for millions of years and knows the Master of the Stones will eventually seek him out for his crimes. He convinces Keedu to walk backward in time and change the course of Earth's history in order to keep Bill Marshall from his destiny and secure Keedu as ruler of the galaxy.

All of humanity will suffer and billions will be enslaved, just to keep one man alive but safely away from the Stones. Will Keedu's plan succeed, or will Bill's family and the Stones be able to save us all?

Although earthquakes are common in Southern California, the tremors that woke Bill Marshall from a sound sleep were different. Hordes of unworldly monsters invade his home desperate to kill him and his family. Miraculously, Sentinel Lance Allright arrives in time to stop the attack. The Earth Heartstone has been broken. To prevent further incursions, Bill and Lance must step through the stone and discover why these events are happening. They travel to an ancient world and face the same attackers seeking revenge against the most vile and powerful Beings in the universe. But why attack Goola and Earth? Heartstone is a journey of discovery, which will forever change Bill Marshall's view of life and the universe. While unspeakable evil may wait around each corner, the power of good and the stones lies within each of us.

Join Dave again as he returns to Tak-Makla and makes a discovery that will change the course of mankind forever. Walking through the corridors of The Hive with its ten billion spider-like agents, the last thing he expected to find is a beautiful young woman. What she tells him will contradict everything he knew about human life and evolution, upend the balance of power in two galaxies, and ultimately lead to an unimaginable journey beyond the Milky Way. The Hive is a story of redemption. No matter which planet we come from, we all bear the scars of our brutal and tyrannical pasts. Our darker side can reappear anytime people become complacent or apathetic. The advances of science and technology only improve our ability to control and manipulate our brothers. Can any of us ever break free of the past and be truly noble and just?

Imagine stepping through a door into a future where your destiny is to lead mankind back into space to discover and settle new planets. Follow Dave Brewster through that portal to explore new worlds and come face to face with incredible aliens. Join with him as he finds the key to save a planet and stop a monstrous invasion. Karl Morgan tells the story of Dave Brewster, an unemployed accountant in San Diego, who finds himself recruited to move into the future, where humanity has lost its desire to explore and grow. His family begins an amazing journey through time and space, forming partnerships with powerful alien societies and encountering remarkable Beings living in our own backyard. Through all the adventures, we are reminded that life is about family and friendship, and that our brothers and sisters do not need to be from our family or even from our planet.

A chance encounter with Zeet of The Accord almost doomed our galaxy in " Tears of Gallia." Dave Brewster travels to a forgotten planet to uncover their intentions. The cyborgs of The Accord were once human but have long ago moved their brains into robots. Now their leaders are massive constructed planets, hosting millions of smaller cyborgs and billions of human slaves who serve as laborers and food.
But The Accord has a problem. The Magallenic Clouds are running out of metal to build more robots. Now they must invade our galaxy to recruit new Friends and to harvest the metal and feedstock of our worlds.
While the Free Society masses its starship fleet to fight back, Dave must find a way to slow them down or somehow convince them to end their heinous reign of terror. The Accord is an epic tale of impending war against a vastly superior enemy. It is also a story of new love, enduring faith, and the ultimate power in the universe.

Following his success at the Grand Conclave on Earth Prime, Dave Brewster and his friends set out to expand the Free Society. However, all is not well in the galaxy. A Maklakar battle station is headed toward Earth. Mysterious ripples in space-time are confounding the Temporal Command. Agents from Predax and the Brotherhood are recruiting other planets to join their crusade against the Free Society. Setting aside those challenges to help his Gallicean friends, Dave follows them on the Sojourn, an ancient ritual to remember the atrocities of the past. On the two planets in the Gallicea system, Dave learns of the past but also discovers the truth is often visible only to those willing to see. Tears of Gallia is a story of friendship, faith, and perseverance. Will Dave be able to stop the Brotherhood from starting a galactic war? Can he survive a madman's attempts to kill him or strand him in the ancient past?

Follow the adventures of Dave Brewster and his friends in the sequel to Showdown Over Neptune. The Predaxian Alliance, led by Emperor Zendo, has invaded Greater Gallia in their drive to enslave the galaxy. The first invasion attempt was pushed back, but not before too many brave soldiers were taken prisoner or killed. Now the Predaxians are coming back with their entire fleet, heavily outgunning the forces of Gallia, Kalidus and Earth. The Second Predaxian War begins at a time of apparent turmoil within the Alliance, as a rising tide of dissent is turning public opinion against the Emperor, who has imprisoned his own son for opposing his imperialistic ways. Can those Predaxians be counted on to help bring down the Emperor, or is this simply a lure into a trap? In order to find new allies and resources, Dave is sent on a mission into unexplored space. Along the way, he discovers another maklan civilization that has developed the most powerful technology the universe has even known. Can they be convinced to help end the carnage and bring peace to this side of the galaxy? Dave's friendship with Fa-a-Di, De-o-Nu and Jake Benomafolays will be put to the test to find out