Twins Axl and Ivan, with Sid as their driver, make a late-night fast-food run for a high school theater crew but return to discover that aliens have made copies of everything.

Twin homeless orphans Elliot and Liza take part in the Raven Quests--magical tasks that when completed promise the victors untold riches--but when a quest goes terribly wrong and Liza is poisoned, Elliot sacrifices everything to find the cure.

The Kobayashi twins, Mego and Mitsuru, were named after historical figures, but only Mego has grown up with a taste for history. So when Mitsuru is in danger of losing his weekends to extra history classes, he convinces his sister to swap clothes with him and ace his tests. After all, how hard can it be for them to play each other?

Reeling from three years of anti-magic rule under the king—and three years disconnected from twin witches Dani and Dorian—Princess Monica, Nico, Damien, and Prince William know that it is now their responsibility to save the kingdom, and their friends, before darkness prevails. Determined to uncover the circumstances of Dorian’s disappearance and rescue reigning Queen of the Witches Dani from her mysterious curse, the group comes together for...

Jessica and Elizabeth have always been inseparable twins, but starting middle school means a chance for new beginnings! Elizabeth is excited to organize a school newspaper, but Jessica is more interested in joining the exclusive Unicorn Club. What will happen when the twins realize they might not be as alike as they thought? Middle school is hard enough, but with these twins each dealing with becoming their own person--will they be able to stay friends...

Cath is a Simon Snow fan. Okay, everybody is a Simon Snow fan, but for Cath, being a fan is her life. Cath's sister has mostly grown away from fandom, but Cath just can't let go. Now that they're in college, Cath must decide if she's ready to start living her own life. But does she even want to if it means leaving Simon Snow behind? Cath doesn't need friends IRL. She has her twin sister, Wren, and she's a popular fanfic writer in the Simon Snow community...

Aya and her twin brother thought they were going to a cerebration of their sixteenth birthday at their grandfather's home, but the funeral-like atmosphere tips them off that something's not right. Their "birthday present" turns out to be a mummified hand--the power of which forces an awakening within Aya, and painful wounds all over Aki's body! Grandfather Mikage announces that Aki will be heir to the Mikage fortune, and Aya must die! But Aya has...

In Southern California, during World War II, twin sisters Flaca and Cuata are harrassed by soldiers stationed nearby, but a bigger problem arises when the lost member of an underground species, shaped like a five-foot-tall lizard, needs the sisters' help.