Each of the Travelers returns home to learn the truth about their origins before being reunited for a final, inevitable confrontation with Saint Dane, whose efforts to control Halla are destroying its very foundations.
When Amber, Courtney, and Scott investigate the Missouri Madhouse, they find themselves trapped in a dangerous world, and only a mysterious boy can show them how to return to Missouri.
Fifteen years after Billy and Bonnie Bannister helped expel the demonic assault on heaven, they and Ashley Foley are in a maximum security prison. Meanwhile, an ancient demon locates the Bannister's daughter and plans to use her to find and control the most powerful ovulum in the world.
With Saint Dane seemingly on the verge of toppling all of the territories, Pendragon and Courtney set out to rescue Mark and find themselves traveling--and battling--their way through different worlds as they try to save all of Halla.
"Born on a doomed world and made an outcast for his physical deviancy and intimidating intellect, Thanos believes he sees something everyone else chooses to ignore: a way to save his home and the people of Titan for generations to come. But what he perceives as genius, they see as madness. Now exiled from his homeworld, Thanos is determined to find the means to return to Titan and implement his plan . . . whatever the cost. His journey through the galaxy is a desperate race to save everything. Thanos will be successful--no matter how many billions have to die to bring balance to the universe"--Dust jacket.
"In two parallel universes, eighteen-year-old Chris navigates the summer before college--in one universe he is forced to spend three months with his emotionally distant father in California, and in the other he remains home and deals with a swiftly changing friendship"--Provided by publisher.
"When Albie's mother dies from cancer, his father explains that she may be alive in a parallel universe, so he decides to universe-hop and find her with the help of a banana, a laptop, and a box"--OCLC.
Tess de Sousa leaves Miss Ackerbee's orphanage to live with her new guardian in Roedeer Lodge, taking with her a fondness for scientific experimentation, a pet tarantula named Violet, and a device that allows her to travel to parallel universes.
Delia and her time-traveling squad join the Epoch Squad led by President Richard Nixon for their next mission. Together they travel to 1778 Versailles to help save a treaty between the US and France. But they run into trouble and get caught in an alternate time reality, and they are forced to rely on their other selves to return to their own timeline lest they become trapped in a time warp.