Having escaped from Pemberwick Island, Kent, Tori, Olivia, and Tucker continue to try to get word out about SYLO, the organization that had quarantined them, while trying to avoid being caught in the middle of an inexplicable new civil war.

Middle-schoolers Marcus, Theo, and Lu return to the Library to hlep figure out, and fix, what is going wrong at a school in Massachusetts.

Just when 15-year-old Bobby Pendragon thinks he understands his purpose as a Traveler he is faced with an impossible choice.

Previously published as Curse of the Boggin. A fast-paced, thrilling series opener from bestselling author D. J. MacHale. Check out a book—and unlock an adventure!
 
There's a place filled with tales that don't have an ending. Puzzles that won't be solved until someone steps in to finish them.
Enter the Library.
 
Marcus and his friends have found the key to open it. And they need to use it, because,...

"Eight boys and girls compete for a spot on the space voyage that will search for a source to solve Earth's energy crisis." --

"They came from the sky parachuting out of military helicopters to invade Tucker Pierce's idyllic hometown on Pemberwick Island, Maine. They call themselves SYLO and they are a secret branch of the U.S. Navy. SYLO's commander, Captain Granger, informs Pemberwick residents that the island has been hit by a lethal virus and must be quarantined. Now Pemberwick is cut off from the outside world. Tucker believes there's more to SYLO's story. He was on...

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.

While Pendragon is trapped on Ibara, Alder returns to Denduron and reluctantly goes into battle again, and other Travelers face obstacles of various sorts, Saint Dane gains the power he seeks on Second Earth and makes his push to destroy and rebuild Halla.

With more questions than answers about Saint Dane, Bobby travels to the territory of Quillan and is forced to play games where only the winner survives.

Unhappy with her life in a dark cave, Lala longs to live like the princesses far, far above but after venturing into their world, she finds contentment at home.