Thrust into the savage Martian past, Garvey Dire must solve the mystery of time in a world of alien monsters and brutal violence or see his own world destroyed by war.

In the savage Martian past Garvey Dire discovers an old nemesis gathering vicious killers beneath his banner to conquer, crush and build a new empire on the blood and bones of the innocent.

To defeat his bloody nemesis and free an enslaved people, Garvey Dire explores the depths of the Martian planet to uncover the hideous secrets of the lost city of Caladrex.

Displaced tens of thousands of years in time, astronaut Garvey Dire finds himself caught in Mars' savage past. Winged fiends prowl the nighttime skies and scythed beasts lumber through the violet grasses in the light of the red sun. Lost tribes celebrate strange gods with bloody rituals and crimson-masked assassins target Garvey and his newly-acquired family within the luminescent halls of the underground city of Ledgrim, even while uncovering an ancient technology capable of razing Ledgrim. Garvey Dire must violate the inner sanctums of the Technopriests and uncover their most-guarded secrets in order to defend his family and tribe against those who would destroy both in their ruthless quest for power.

Stranded astronaut Garvey Dire finds himself in a heap of trouble when an ancient sect of assassins emerges from the icy depths of Velnibus to join with a lost tribe of spider worshipers, who are immune to the edge of the steel sword. Together they hatch a plot which may result in the extinction of Garvey's adopted tribe. Lost Tribes of the Dire Planet is a sword and science fiction extravaganza in the tradition of John Carter Warlord of Mars.

When a caravan is attacked and Muvari tribe members are kidnapped by strange half-flesh/half-mechanical abominations, stranded astronaut Garvey Dire must marshal the weird science of ancient Mars and defy both distance and time to win them back.

The last bastion of freedom on Mars is about to fall...undermined by enemies within: a secret sisterhood of assassins and the fugitive remnants of the Yellow League—rogue technopriests with the secret of immortality—who are returning with ancient weapons of unimaginable power, and vengeance in their cold, cold hearts. Only an astronaut from future Earth and a motley alliance of Martian female warriors stand in their way.

Stranded far from the sanctuary of the underground city of Ledgrim, the warrior Kawnos Sirk leads hated enemies across the churning stones and dust of the Sea of Sorrow even while being chased by cannibalistic tribes, fending off the winged fiends of the nighttime skies, and dealing with the treachery of her erstwhile allies.

After the disappearance of astronaut and Muvari leader Garvey Dire, Naegrick is sent to shore up a new alliance with an enemy tribe who once worshiped the dread Baalbrock upon whose altars babes were sacrificed at the behest of the all-powerful priests.But all is not well in the tunnels of Vermopolis. The khan is besieged by forces from within who are angry at the tilting balance of power, and there are others who are hungry to seize the reins of that power.In the meantime, the enemy tribe of Scurm sense weakness in their hereditary foes and are gathering their forces.