"Tiki and Ronde have their sights set on a big diamond--a baseball diamond! Sure, they're experienced athletes, but they've never played baseball before. Do they have what it takes to make the team?"--

Twin dragons Ella and Owen, lost in a swamp, meet a pumpkin king who offers to help only if they will retrieve his body from the witch who stole it.

Twins James and Marlene have always felt out of place in their humdrum fishing village, longing to escape the quiet lives their parents envision for them. When Marlene’s birthday wish transports them both to an unsettling, magical paradise called Never Land, they discover an unexpected alternative: the chance to stay forever with the charismatic Peter and his Lost Boys. But when their actions reignite a conflict between the fractured Lost Boys,...

Dragon twins Ella and Owen ask their unicorn friends to help control the mischievous gremlins their parents bought them as pets--and the many gremlins that arrive soon after.

"Doki and Kebi are two Korean magical goblin twin brothers who couldn't be more different! Kebi loves to scare people (maybe a little too much) and explore! Doki would rather give people bags of gold when he's not reading a book! Despite their differences, Doki and Kebi are inseparable. When it's time for the goblin tricksters to move, the brothers decide to make their new home together in a strange, unknown land...New York City! As they prepare for...

Twins Arthur and Maudie are back home in Lontown, but when they begin hear a strange song summoning them north, they know there is an adventure waiting for them for them that may change the lives of everyone in the Wide.

The Vickery twins, Lee and Felix, live in a house in Poplar Wood, where, because of the "Agreement," their mother serves Memory, and their father assists Death, and only Lee is allowed to leave the house, except for Halloween; but when a local girl is murdered, Gretchen Whipple, daughter of the mayor, offers the boys a deal--help her solve the crime and she will help them break the Agreement, and regain their freedom.

"Rose and Arthur are back in Roar, on a voyage that takes them further than they’ve ever been before: beyond The End. It’s an amazing adventure – full of secrets, surprises and fairies with fangs – but then a mysterious storm changes everything. Shipwrecked on a strange island, they make a shocking discovery … Could this be the end of Roar?" -- Publisher's website

Brazilian American twin siblings, Lia and Luís, are always competing, even when it comes to their favorite Brazilian snacks from their family's store; they want to know which of them has more, and they use various mathematical techniques to pick a winner--and then share the delicious results.

"Westlin Beck's summer is turned upside down when the Hart twins move to town: aggravating, intriguing, and quirky Silas and his mysteriously ill sister, Laurel"--