While sick in bed with cancer, Lucien begins making journeys to Belleza, a place in a parallel world that resembles Venice, Italy, and becomes caught up in the political intrigues surrounding the Duchessa who rules the city.

Twins Truman and Camille, spending winter break with their paternal grandmother, follow a secret passageway to the Breath World, where all creatures of magic dwell, to find the Ever Breath, a magical stone that maintains balance between worlds.

Seventeen-year-old Emerson uses her power to manipulate time to help Michael, a consultant hired by her brother, to prevent a murder that happened six months ago while simultaneously navigating their undeniable attraction to one another.

Continuing their adventures through space and time, Ben and his faithful dog, Ned, find themselves in the Mediterranean region in 1703, befriended by a troupe of traveling entertainers and relentlessly pursued by ruthless Barbary slave traders.

The notes of an old music box connects two girls from very different worlds--Clara, who struggles to survive poverty and violence in a troubled city, and Claire, whose ordinary life is beset by grief--in a place where neither can be sure what is real.

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.

As an apprentice on a training mission to 1912 England, Dorrie takes a chance that could lead the Strongholders to the Lybrarians' fortress, Petrarch's library.

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.

Connecticut middle-schooler Jake and his older sister Kady are transported by a Mayan artifact to a strange world inhabited by a mix of people from long-lost civilizations who are threatened by prehistoric creatures and an evil alchemist, the Skull King.

Marguerite Caine's physicist parents are known for their groundbreaking achievements. Their most astonishing invention, called the Firebird, allows users to jump into multiple universes -- and promises to revolutionize science forever. But then Marguerite's father is murdered, and the killer -- her parent's handsome, enigmatic assistant Paul -- escapes into another dimension before the law can touch him. Marguerite refuses to let the man who destroyed...