"After an ancient prophecy is betrayed, a world ruled by a long line of goddesses is split in two--one half in perpetual day, and the other in an endless night--and two young twin goddesses set out on separate and equally dangerous journeys to the Breach that divides them, hoping to save their broken world"--

After smuggling herself onto the RMS Titanic, British-Chinese teenager Valora Luck reunites with her twin brother and tries to convince him that their acrobatic training could be their ticket to a better life.

"Everything about my life is a lie. As a hidden twin princess, born second, I have only one purpose--to sacrifice my life for my sister if death comes for her. I've been living under the guise of a poor, obscure girl of no standing, slipping into the palace and into the role of the true princess when danger is present. Now the queen is dead and the ageless King Eidolon has sent my sister a gift--an eerily familiar gift--and a proposal to wed. I don't...

"My twin sister is the true queen of Aryd. She survives, hiding and clinging to life in the desert, while I reign as the false queen alongside the monstrous King Eidolon. There's only one escape from this gilded prison: Reven. My Shadowraith. My heart. Only the shadows that he struggles to control are growing more sinister, more powerful. It's just a matter of time before they turn on him...and on me. Even escape doesn't mean true freedom, though,...

"Twin princesses Wren and Rose, separated at birth and raised in two different environments, meet for the first time when they have to fight for the throne while juggling their romantic pursuits"--

"A modern-day retelling of the Legend of King Arthur for teens. Emry Merlin disguises herself as a boy to be the court wizard since women aren't allowed to practice magic. When the truth comes out with disastrous consequences, Emry has to decide whether she'll risk everything for the boy she loves, or give up her potential to become the greatest wizard Camelot has ever known"--

Torn apart by grief and anger, twin witches Hunter and Mercy Goode go their separate ways until Mercy's focus on the Egyptian Gate and Khenti, the guardian of its Underworld, lands her in the kind of trouble from which only Hunter can save her.

"In the near-future United States, a one-child policy is ruthlessly enforced. Everyone follows the Rule of One. But Ava Goodwin, daughter of the head of the Texas Family Planning Division, has a secret--one her mother died to keep and her father has helped to hide for her entire life. She has an identical twin sister, Mira. For eighteen years Ava and Mira have lived as one, trading places day after day, maintaining an interchangeable existence down...

"Born to be a sacrificial Weatherell girl like her mother, Anya Astraea instead sets out in search of vengeance against the mountain deity who claimed the life of her twin sister."--

Evil Sidorio continues to expand his empire across the oceans, but as he faces growing opposition from both the Pirate Federation and the vampirate realm, twins Grace and Connor Tempest are caught in the conflict.