"Twins Fox and Fibber find themselves in one of the Unmapped Kingdoms and set off on a quest to find the Forever Fern hidden deep in the glow-in-the-dark rainforests of Jungledrop"--

"Ten-year-old Kinjal knows something strange is going on. But he does not expect his dog, Thums-up, to disappear before his eyes in the middle of the night! Even stranger, two enormous flying horses appear and insist on taking Kinjal and his twin sister, Kiya, to a place they have never heard of: the Sky Kingdom. The twins have no choice but to go if they want to see their dog again, even if that isn't why the winged pakkhiraj horses showed up in...

When the twins are in bed, an angel flies into their bedroom.

In order to end the Masked Man's literary army, the twins and their friends must enter Conner's short stories, where they find allies in unexpected places.

Twelve-year-old twins Nick and Eryn investigate why their mother and new stepfather are keeping secrets, why they are forbidden to meet their stepsiblings, and, most important, why their lives are in danger.

When they uncover a conspiracy against America and its fundamental freedoms, the Kidd children, accompanied by their great uncle, crisscross the country in a race to prove that a newly-discovered copy of the Bill of Rights is a forgery.

Can a mysterious sea creature save eleven-year-old Jamie's very sick twin brother?

An oral history that reports, through transcribed recordings, text messages, photographs, illustrations, screenshots, and more, an epic prank war between twelve-year-old twins Reese and Claudia Tapper of New York City.

Abigail and John, the Templeton twins, and their dog Cassie, foil a pair of inept kidnappers intent on stealing one of their father's newest inventions.

"Twelve-year-old twins Reese and Claudia Tapper race to become more popular on social media sites in order to win a high-stakes bet"--