Embarking on a summer adventure in Scotland, best friends Veronica and Mackenna find romance and danger when they are transported to the kingdom of Doon, a hidden village that appears once every 100 years. Inspired by the musical Brigadoon.

When she is accidentally discovered by a modeling agent, fifteen-year-old Harriet jumps at the chance to transform herself from a geek to a fashion model.

When best friends Vee and Kenna find themselves outside of Doon, the MacCrae brothers come to their rescue, while the witch of Doon plots to destroy the kingdom forever.

Six years ago Maddie lived in Washington D.C. with her father, a Secret Service agent assigned to the President's family, and her best friend was Logan, the President's son; but after her father was wounded in an attempted kidnapping the two of them moved to a remote cabin in Alaska and Logan never replied to her letters--but now he has suddenly turned up on her doorstep, and, while she has no attention of forgiving him for his silence, she soon realizes...

Kenna realizes she made a mistake in leaving Doon behind forever and now she has received her Calling--proof she and Duncan are meant to be--then Duncan informs Kenna Doon needs her, but even if she can save the enchanted kingdom, her happy ending is far from assured.

"Runa will not let her twin sister die. Alia traded her voice to the Sea Witch for a shot at happiness with a prince who doesn't love her. And his rejection will literally kill her--unless Runa intervenes. Under the sea, Evie craves her own freedom--but liberation from her role as Sea Witch will require an exchange she may not be willing to make. With their hearts' desires at odds, what will Runa and Evie be willing to sacrifice to save their worlds?...

Kayla is still holding on to Lainie's secrets. After all, Lainie is Kayla's best friend. And despite Lainie's painful obsession with her on-again, off-again boyfriend, and the ways he has tried to come between them, friends don't spill each other's secrets. They don't betray each other's trust. The murder at the end of the summer doesn't change all that.

When Kate Bailey lets her best friend, Alana, talk her into joining their high school's podcast she did not expect to find herself as the host, or to enjoy answering calls and giving advice on the air, but she is actually pretty good at it--but when she gets an anonymous call from a boy (possibly Diego Martinez) about his secret feelings for a girl (probably Alana) she is faced with a problem, because she is developing feelings for Diego herself.

After sacrificing their childhoods, Grace, Leigh, Camille, Wilhelmina, and Monica are competing in the two days of the U.S. Olympic Gymnastics Trials, after which their lives will change forever.

Macallan and Levi are best friends from the first day they meet in seventh grade, but over the years their close friendship keeps interfering with their dating life because everyone else regards them as a couple.