In the country of Carthya, a devious nobleman engages four orphans in a brutal competition to be selected to impersonate the king's long-missing son in an effort to avoid a civil war.

Regarding humans unfavorably upon arriving on Earth, a reluctant extraterrestrial assumes the identity of a Cambridge mathematician before realizing that there's more to the human race than he suspected.

Told through flashbacks, this is the story of best friends Jule and Imogen, orphaned outcasts who'll do almost anything to attain a happy, wealthy life.

In a world that is rapidly descending into chaos, Frey and Rafi are twin sisters, but few people know of Frey's existence, because she has been raised to be her sister's body double and lethal bodyguard, while Rafi has been raised to further the family's political power--but when their father sends Frey in her sister's place as collateral in a tricky deal, Col, the son of a rival leader, gets close enough to begin to suspect something, and Frey must...

"After a routine school field trip goes awry, Linc Baker is thrust into a world of intrigue and espionage, where a kid agent who looks exactly like him threatens to use powerful artifacts to control the world"--

When Shadow, whose job all her life has been to stay close to the young queen and prevent her prophecied death at the age of sixteen, fails in her task and the castle is thrown into chaos, she escapes along with a young knight, embarking upon a journey that eventually reveals her true identity.

While continuing to switch places in middle school, identical twins Payton and Emma compete with triplets Dexter, Oliver, and Asher at the Multipalooza festival.

Fox decides to become a tiger because they are fast and sneaky, and soon, his other animal friends are joining in.

"Mayhem and romance ensue when tweens Mouse and Jack meet on the slopes during a school ski trip"--

A young runaway is welcomed into the arms of an affluent family after he takes on the identity of the family's missing son, Daniel, only to slowly realize that the family knows more about Daniel's disappearance than they are letting on.