The secret ingredient
(Book)

When Wayfarers Inn employee Winnie wins a baking competition, the Inn Crowd capitalizes on it by offering a free loaf of her award-winning bread to the first twelve guests to book a room at the inn. But when strange messages begin showing up inside the loaves of bread, the friends must figure out who would want to harm them or Winnie. Meanwhile, a demanding guest named Reena Newberry begins to wear on the Inn Crowd. Finding out what she wants from them becomes imperative when they uncover a connection between Reena's family history and their current mystery.