"You might be in danger." Thirteen-year-old Booker leads a sheltered life in Vermont--until a spellbinding relic throws him skidding into a world of magic and myths come to life. Anna is an Unangax̂ teenager looking for answers after her long-absent mother reappears in her life. When a mysterious bookmark brings them together on the Aleutian Islands, they're sent on a dangerous quest to return a magical amulet to Anna's Unangan ancestors...