Some waves you ride. Others ride you. When disgraced detective Miles Westbrook arrives in Byron Bay to investigate a string of mysterious surfer disappearances, he expects small-town secrets-not whispers of an ancient force beneath the waves.The locals say the ocean is alive.That it takes who it wants.And now, it's calling to him. The Thing Below is a coastal fantasy thriller soaked in salt, sweat, and suspicion-perfect for fans of The Southern Reach Trilogy, The Beach, or The 13th Tale.