In order to end the Masked Man's literary army, the twins and their friends must enter Conner's short stories, where they find allies in unexpected places.

On a cross-country vacation with their parents, twins Coke and Pepsi, soon to be thirteen, fend off strange assassins as they try to come to terms with their being part of a top-secret government organization known as The Genius Files.

When they are separated for the first time since birth, Iris and Lark struggle with insecurities over their individual identities at the same time things begin to go missing around town.

Through the mysterious powers of a cherished book of stories, twins Alex and Connor leave their world behind and find themselves in a foreign land full of wonder and magic where they come face-to-face with the fairy tale characters they grew up reading about. But after a series of encounters with witches, wolves, goblins, and trolls alike, getting back home is going to be harder than they thought.

After decades of hiding, the evil Enchantress who cursed Sleeping Beauty is back with a vengeance. Alex and Conner Bailey have not been back to the magical Land of Stories since their adventures in The Wishing Spell ended. But one night, they learn the famed Enchantress has kidnapped their mother! Against the will of their grandmother, the twins must find their own way into the Land of Stories to rescue their mother and save the fairy tale world from...

Two sisters. One brutal murder. A quest for vengeance that will unleash Hell itself... And an intoxicating romance. Emilia and her twin sister Vittoria are streghe - witches who live secretly among humans, avoiding notice and persecution. One night, Vittoria misses dinner service at the family's renowned Sicilian restaurant. Emilia soon finds the body of her beloved twin...desecrated beyond belief. Devastated, Emilia sets out to find her...

Seventeen-year-old Emma Paxton steps into the life of her long-lost twin Sutton to solve her murder, while Sutton looks on from her afterlife.

Taking the Fowl jet without permission before it mysteriously explodes over Florida, the Fowl twins are placed under house arrest until Myles's questions about what really happened lead to an astonishing abduction.

Despite problems at home, sixteen-year-old conjoined twins Tippi and Grace are loving going to school for the first time and making real friends when they learn that a cardiac problem will force them to have separation surgery, which they have never before considered.

The magical world of Artimé is gone and the Unwanteds are looking to Alex Stowe for answers, but while his twin brother Aaron continues to build his army in Quill, a very dangerous common enemy is revealed.