When Aviva Davis and Holly Martin meet at the holiday pageant tryouts for their local senior's center, they are shocked to discover they are identical twins. They both knew they were adopted, but they had no idea they had a biological sibling, let alone an identical twin, but although the girls look alike, they have very different personalities. Aviva is outgoing and loves to sing while Holly is shy and loves to write, but they are both curious about...

"Thirteen-year-old twins Hope and Gordon enter a spelling bee in a last-ditch effort to save their family from financial ruin, only to find themselves in a cut-throat competition to uncover a fortune and dark secrets about the wealthy relations they have never known."-- Provided by publisher.

Beatrix is a witch, but her twin sister Olive is not, and when Beatrix plays one trick too many on Olive and their classmate Eddie the two decide to get back at her with a bucket of garden spiders--but when the spiders get into a growing potion and turn into giant spiders the three children have to work together to save their town.

When a Bandit King comes to take the magic that Ned's mother, a witch, is meant to protect, the stuttering, weak boy villagers think should have drowned rather than his twin summons the strength to protect his family and community, while in the woods, the bandit's daughter puzzles over a mystery that ties her to Ned.

When Alfie McQuinn, the notorious jewel thief, is killed on a job, his last words to his son, March, are to "find jewels" and this instruction leads the boy to Jules, the twin sister he never knew he had--and the perfect partner to carry on the family business.

"Meet Roger. Skilled with words, languages come easily to him. He instinctively understands how the world works through the power of story. Meet Dodger, his twin. Numbers are her world, her obsession, her everything. All she understands, she does so through the power of math. Roger and Dodger aren't exactly human, though they don't realise it. They aren't exactly gods, either. Not entirely. Not yet. Meet Reed, skilled in the alchemical arts like his...

"From the author of USA Today-bestseller The Hating Game comes a poignant and witty romantic comedy about a twin battling her brother over their crumbling inheritance -- and his sexy best friend who is determined to knock down her walls."-- Provided by publisher.

"Rio has always dreamed of leaving the underwater city of Atlantia for life in the Above; however, when her twin sister, Bay, makes an unexpected decision, Rio is left stranded below where she must find a way to unlock the secrets of the siren voice she has long hidden and save Atlantia from destruction"-- Provided by publisher.

When Arthur and Rose were little, they were heroes in the Land of Roar, an imaginary world that they found by climbing through the folding bed in their grandad's attic. Roar was filled with things they loved--dragons, mermaids, ninja wizards and adventure--as well as things that scared them, including a very creepy scarecrow. Now the twins are eleven, Roar is just a memory. But when they help Grandad clean out the attic, Arthur is horrified as Grandad...

Eleven-year-old Ada and her friends face zombie rabbits, alien mobs, and Puppet Cartels as they explore their small New Mexico town seeking Ada's missing twin sister.