Cassie Sullivan, the survivor of an alien invasion, must rescue her young brother from the enemy with help from a boy who may be one of them.

That thing is growing again. We must destroy it. The time to act is now...With these words begins Gideon Crew's latest, most dangerous, most high-stakes assignment yet. Failure will mean nothing short of the end of humankind on earth. Five years ago, the mysterious and inscrutable head of Effective Engineering Solutions, Eli Glinn, led a mission to recover a gigantic meteorite--the largest ever discovered--from a remote island off the coast of South...

It's just another day of high school for Zack Lightman. He's daydreaming through another boring math class, with just one more month to go until graduation and freedom--if he can make it that long without getting suspended again. Then he glances out his classroom window and spots the flying saucer. At first, Zack thinks he's going crazy. A minute later, he's sure of it. Because the UFO he's staring at is straight out of the videogame he plays every...

"The last remnants of the human race left a dying Earth, desperate to find a new home among the stars. Following in the footsteps of their ancestors, they discover the greatest treasure of the past age--a world terraformed and prepared for human life. But all is not right in this new Eden. In the long years since the planet was abandoned, the work of its architects has borne disastrous fruit. The planet is not waiting for them, pristine and unoccupied....

Human and Oankali have been mating since the aliens first came to Earth to rescue the few survivors of an annihilating nuclear war. The Oankali began a massive breeding project, guided by the ooloi, a sexless subspecies capable of manipulating DNA, in the hope of eventually creating a perfect starfaring race. Jodahs is supposed to be just another hybrid of human and Oankali, but as he begins his transformation to adulthood he finds himself becoming...

In the first book of the Stratification series, set in an earlier time in Czerneda's Trade Pact Universe, the Clan has not yet learned how to manipulate the M'hir to travel between worlds. Instead, they are a people divided into small tribes, scattered over a fraction of their world, and prevented from advancing by two other powerful races who control both technology and terrain.