"Twelve-year-old twins Bickford and Rebecca Kidd and their two older siblings travel to Africa to track down priceless artifacts that will keep the family's treasure hunting business afloat long enough to rescue their kidnapped mother--and possibly find their missing father."

"Twin siblings journey through the City of Ashes and visit the Jade Rabbit to save their grandpa in this Chinese folklore-inspired fantasy adventure"--

"Ten-year-old twins Mia and Maddie and their little sister Lulu head to London for the first time to watch mom, famous singer Gloria Glimmer, perform. But on a day trip to the National Gallery, Maddie witnesses what she believes to be an art theft and takes her sisters and their beloved and wacky nanny Miss Julia on a wild and crazy adventure as they follow the supposed thief to his lair"--

"The Glimmer family is headed to the Big Apple-- New York City. Gloria has been asked to perform at a benefit concert being held in Times Square and the whole family joins her. Miss Julia, Mom, and Dad plan sightseeing trips for the family that will be better than all the rest, but plans never turn out exactly as they imagine"--

When their two worlds collide in seventh grade, fraternal twins and opposites Owen and Russell find themselves in direct competition at school, on the court, and at home.

When Emma Paxton steps into the life of her long-lost twin Sutton to solve her murder, she finds new suspects at every turn, while Sutton looks on from her afterlife.

When the magic of Zahramay Falls runs dry, twin genies Shimmer and Shine search for a special staff that will help restore its power.

When a neighbor hires Nancy, Bess, and George to take care of her eighteen-month-old identical twins, the girls are happy to help. But being a mother's helper is trickier than they thought, especially when the twins' toys start disappearing.

Dora and Boots go to a carnival where they play games in order to win the grand prize.

Fourteen-year-old twins Adam and Rachel, pursued by both their former "Hope Project" benefactors and followers of a zombie-like figure, flee London for Paris, Seville, and finally Morocco, where they unearth an ancient secret more startling than the first.