Rachel Hawkins

"When her sort-of-best friend/sort-of-girlfriend has been kissing someone else, Millie Quint decides to apply for scholarships to boarding schools... the farther from Houston the better. She's accepted into an exclusive schools located in the rolling highlands of Scotland. The only problem: her new roommate Flora is a total princess. Like, an actual princess. Of Scotland. At first, the girls can barely stand each other, but soon Millie another sort-of-best-friend/sort-of-girlfriend....

"When Daisy's older sister gets engaged to the Crown Prince of Scotland, Daisy makes the royal rule-book all her own"--

Faced with a mysterious, deadly fog bank in a seaside Scottish village, new friends Nolie and Bel look for ways to stop it--coming across an ancient spell that requires magic, a quest, and a sacrifice.