Maureen and Francine Carter are twins and best friends. They participate in the same clubs, enjoy the same foods, and are partners on all their school projects. But just before the girls start sixth grade, Francine becomes Fran -- a girl who wants to join the chorus, run for class president, and dress in fashionable outfits that set her apart from Maureen. A girl who seems happy to share only two classes with her sister! Maureen and Francine are...

Twins Theo and Alexander along with their sister Wil are abruptly dropped off at their Aunt Saffronia's house, where they learn they must complete a series of tasks in order to see their parents again, the first of which is solving a mystery at the Fathoms of Fun waterpark.

After thirteen-year-old Conner returns to the Land of Stories and reunites with his twin sister, Alex, who is training to become the next Fairy Godmother, war breaks out in the fairy-tale world.

In a society that purges thirteen-year-olds who are creative, identical twins Aaron and Alex are separated, one to attend University while the other, supposedly Eliminated, finds himself in a wondrous place where youths hone their abilities and learn magic.

Kris, jealous of her sister Lindy's success as a ventriloquist, convinces her father to buy her a dummy of her own, but weird things start to happen after she reads the words inscribed on a piece of paper found in the dummy's shirt pocket.

Twelve-year-old twins, Jillian and Jackson, are startled when they discover they can read each other's thoughts. But that's not all, they can read other people's thoughts, too. The strange new powers are exciting at first but soon they discover that somebody else knows their secret.

"Cash, Fitch, and Bird Thomas are three siblings in seventh grade together in Park, Delaware. In 1986, as the country waits expectantly for the launch of the Space Shuttle Challenger, they each struggle with their own personal anxieties. Cash, who loves basketball but has a newly broken wrist, is in danger of failing seventh grade for the second time. Fitch spends every afternoon playing Major Havoc at the arcade on Main and wrestles with an explosive...

Thirteen-year-old fraternal twins Dallas and Florida have grown up in a terrible orphanage but their lives change forever when an eccentric but sweet older couple invites them each on an adventure, beginning in an almost magical place called Ruby Holler.

After Mallory is kidnapped at her fencing meet, Jared and Simon search for her near an old quarry and find themselves amidst dwarves and goblins.

"Efrén Nava's Amá is his Superwoman--or Soperwoman, named after the delicious Mexican sopes his mother often prepares. Both Amá and Apá work hard all day to provide for the family, making sure Efrén and his younger siblings Max and Mia feel safe and loved. But Efrén worries about his parents; although he's American-born, his parents are undocumented. His worst nightmare comes true one day when Amá doesn't return from work and is deported...