When silverback gorilla Ivan and his mate Kinyani welcome a set of twins to their family, Ivan can't help but recall his childhood in the jungle - and his own twin - as he navigates joys and challenges of parenthood.

Sharing a common love of mischief as well as identical faces, twins Edgar and Allan Poe, descendants of the literary master, embark on a road trip filled with mystery and mayhem when their black cat, Roderick Usher, is stolen.

The Kidds head to Russia where a set of priceless paintings by Leonardo da Vinci and Rembrandt has gone missing. Hot on the trail of the daring thieves, the Kidds race through the sinister streets of St. Petersburg and the wild Arctic tundra to track down the stolen treasure.

Thirteen-year-old fraternal twins Dallas and Florida have grown up in a terrible orphanage but their lives change forever when an eccentric but sweet older couple invites them each on an adventure, beginning in an almost magical place called Ruby Holler.

"Coke and Pepsi McDonald continue on their dangerous cross-county road trip, stopping at strange-but-real destinations in the South and facing such perils as an evil Elvis impersonator, a vat of acidic soda, and a giant recycling shredder"--

Cash, Fitch, and Bird Thomas are three siblings in seventh grade together in Park, Delaware. In 1986, as the country waits expectantly for the launch of the Space Shuttle Challenger, they each struggle with their own personal anxieties. Cash, who loves basketball but has a newly broken wrist, is in danger of failing seventh grade for the second time. Fitch spends every afternoon playing Major Havoc at the arcade on Main. And Bird, his twelve-year-old...

Fourteen-year-old twin basketball stars Josh and Jordan wrestle with highs and lows on and off the court as their father ignores his declining health.

"Following clues left by their missing father, twelve-year-old twins Bickford and Rebecca Kidd sail from the Caribbean to New York City with their siblings to finish the dangerous quest of their world-famous treasure-hunting parents"--Provided by publisher.