"When twins Sean and Dillon Kirrell use their transit abilities to rescue a kidnap victim, they cross a clandestine group within their government who seeks to control all planets with their transit powers, forcing the brothers to choose sides in what could explode into full-blown war"--

Professor Hardwigg, his nephew Harry, and their guide Hans explore a volcanic crater in Iceland that leads them to the center of the Earth and to incredible and horrifying discoveries.

Twin seventeen-year-old brothers Sean and Dillon meet their new neighbor Colonel Carver, who has come to Earth, an outpost among dozens of human-occupied planets in the galaxy, to recruit the boys to join the Human Assembly, but first they must complete their training and discover the source of recent disturbances to interplanetary peace.

The saga begun in The Stars Are Ours! Continues as the growing human colony settles onto their new home world only to discover an unforeseen enemy. . . Generations after landing on the planet Astra, humankind is still working alongside the friendly aquatic native merpeople to survive and thrive. But young Dalgard Nordis is yearning to see more. Taking his man-journey, he sets out to find and explore the ruins of a city rumored to have belonged to...

In the wake of a summer storm, terror descends...David Drayton, his son Billy, and their neighbor Brent Norton join dozens of others and head to the local grocery store to replenish supplies following a freak storm. Once there, they become trapped by a strange mist that has enveloped the town. As the confinement takes its toll on their nerves, a religious zealot, Mrs. Carmody, begins to play on their fears to convince them that this is God’s vengeance...