The Other Side of the River, Book 14 (Marti Talbott's Highlander Series)

Terrified and out of breath, fifteen-year-old Isobell Macdean ran from her attackers as fast as she could to the top of a high cliff. All her life, she'd been warned not to go to the other side of the river where the women were troublesome and the Highlander men were giants, but her only option was to jump into the icy water below and pray she could stay on the right side.

Before Daniel’s mother died, she told him a secret he knew his brother would never accept, so when the brothers were forced to leave the far north of Scotland, Daniel decided it was time to see if what she said was true.