"Sixteen-year-old America Singer is living in the caste-divided nation of Illaea, which formed after the war that destroyed the United States. America is chosen to compete in the Selection--a contest to see which girl can win the heart of Illaea's prince--but all she really wants is a chance for a future with her secret love, Aspen, who is a caste below her"--

In a discontented kingdom, civil war is brewing. To unify the divided people, Conner, a nobleman of the court, devises a cunning plan to find an impersonator of the king's long-lost son and install him as a puppet prince. Four orphans are recruited to compete for the role, including a defiant boy named Sage. Sage knows that Conner's motives are more than questionable, yet his life balances on a sword's point -- he must be chosen to play the prince...

After reluctantly kissing a frog, an awkward, fourteen-year-old princess suddenly finds herself a frog, too, and sets off with the prince to seek the means--and the self-confidence--to become human again.

Seventeen-year-old Alexa's parents were killed by a sorcerer during a raid, so she has disguised herself as a boy, joined Antion's army, and earned a place on Prince Damian's guard--but Antion is ruled by an evil king, and "Alex" must find a way to defeat him and protect her prince.

Ascendant King Jaron believes that his kingdom, Carthya, is at peace, so he and his bethrothed, Imogen, are sailing home from a trade mission when their ship is attacked by Prozarians, and Jaron and several of his friends are taken prisoner; the Prozarian captain seems to believe he had something to do with his parents' deaths and they also know a great deal about Jaron's long-missing older brother, Darius, the rightful heir to Carthya--who may be...

In an alternate 1914 Europe, fifteen-year-old Austrian Prince Alek, on the run from the Clanker Powers who are attempting to take over the globe using mechanical machinery, forms an uneasy alliance with Deryn who, disguised as a boy to join the British Air Service, is learning to fly genetically-engineered beasts.

Neither accepted nor beloved, Eugenides is the uneasy linchpin of a truce on the Lesser Peninsula, where he has risen to be high king of Attolia, Eddis, and Sounis. As the treacherous Baron Erondites schemes anew and a prophecy appears to foretell the death of the king, the ruthless Mede empire prepares to strike.

Told in their separate voices, sixteen-year-old Prince Oliver, who wants to break free of his fairy tale existence, and fifteen-year-old Delilah, a loner obsessed with Prince Oliver and the book in which he exists, work together to seek his freedom.

"The four princes erroneously dubbed Prince Charming and rudely marginalized in their respective fairy tales form an unlikely team when a witch threatens the whole kingdom"--

Vika struggles with dangers in her new role as the Imperial Enchanter while Pasha faces disputes about his legitimacy and Nikolai considers how far he is willing to go to return to the world.