Four linked stories of discovery and survival begin with a Paleolithic-era girl who makes the first written signs, continue with Anna, who people call a witch, then a mad twentieth-century poet who watches the ocean knowing the horrors it hides, and concluding with an astronaut on the first spaceship from Earth sent to colonize another world.

Fourteen-year-old Jason Walker is transported to a strange world called Lyrian, where he joins Rachel, who was also drawn there from our world, and a few rebels, to piece together the Word that can destroy the malicious wizard emperor, Surroth.

After mastering the ability to walk between dimensions, sixteen-year-old Joey Harker and his fellow InterWorld freedom fighters embark on a mission to maintain peace between the rival powers of magic and science who seek to control all worlds.

In a parallel universe, the classic bad boy falls for the class science geek. One minute Danny was running from the cops, and the next, he jolted awake in an unfamiliar body--his own, but different. Somehow, he's crossed into a parallel universe. Now his friends are his enemies, his parents are long dead, and studious Eevee is not the mysterious femme fatale he once kissed back home. Then again, this Eevee--a girl who'd rather land an internship...

Each of the Travelers returns home to learn the truth about their origins before being reunited for a final, ineveitable confrontation with Saint Dane, whose efforts to control Halla are destroying its very foundations.

Sixteen-year-old half-goddess Morgan is wrapped up in normal concerns, such as junior prom and parental problems, when she learns that Colin, her Irish love, is the victim of a fairy curse and she must make a deal with a leprechaun to save him.