After escaping the Black Hook Gang in 1860 New York City, twelve-year-old twins Alexander and Cleopatra flee to New Orleans, become separated, and try to find each other in San Francisco, while being followed by pirates who think they hold the key to treasure.

"It all begins when Drew and Jonathan are doing what they do best--thinking up big plans for even bigger projects. Will they build a treehouse? A castle? A catapult? They have a whole lot of big ideas, but no one thinks they can do any of them! The twins brainstorm, scribble, and tinker until they have the perfect big plan. They'll save every last penny, sketch out some designs, and make a whole lot of noise--builders aren't known for being quiet--because...

Twin sisters Ling and Ting have fun together playing in all kinds of weather.

Everyone in Vallen knows that ice wolves and scorch dragons are sworn enemies who live deeply separate lives. So when twelve-year-old orphan Anders takes one elemental form and his twin sister, Rayna, takes another, he wonders whether they are even related. Still, whether or not they're family, Rayna is Anders's only true friend.

"Clyde has a secret. Whenever he gets too excited, he changes into a monkey. His twin sister, Claudia, is worried that this isn't good for him. But when a ghost is seen in their school's hallway, Clyde will have to use his monkey powers to save they day. Will Clyde ever be a normal boy again?--Jacket.

Jonah was able to save all of time from collapsing but in doing so gained a twin brother, Jordan, who must learn what has happened and do his own part to save time--and his parents.

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.

Fraternal twins Russ and Owen's domination of the seventh-grade basketball team falters when Mitch and Marcus Matthews, identical twins, arrive and prove their skill on the court and in the classroom.

Mayor Fitch has Tale Town on lockdown as he prepares for war with the trolls, for whose magic he will risk everything, but Red, Jack, and the other children are determined reveal the truth.

A humorous oral history that chronicles twelve-year-old twins Reese and Claudia Tapper's heated competition to become sixth grade class president of their New York City private school, through text messages, photographs, screenshots, and more.