midnight
At such times his followers would linger , trembling and silent , in the farther shadows . Because they had never known the love of man they utterly failed to understand . But in an instant Fenris would come back to them , the wild urge in his heart seemingly appeased by the mere assurance of Ben 's presence and safety . Ben himself was never aware of these midnight visits . The feet of the wolves were like falling feathers on the grass ; and if sometimes , through the cavern maw , he half-wakened to catch the gleam of their wild eyes , he attributed it merely to the presence of skulking coyotes , curious concerning the dying coals of the fire . Beatrice had kept only an approximate track of the days ; yet she knew that an attempt to rescue her must be almost at hand . Even traveling but half a dozen miles a day , and counting out a reasonable time for exploration and delays , her father 's party must be close upon them .