CONTENTSCHAPTER I. The Coming of the TerrorCHAPTER II. Death in the VillageCHAPTER III. The Doctor’s TheoryCHAPTER IV. The Spread of the TerrorCHAPTER V. The Incident of the Unknown TreeCHAPTER VI. Mr. Remnant’s Z RayCHAPTER VII. The Case of the Hidden GermansCHAPTER VIII. What Mr. Merritt FoundCHAPTER IX. The Light on the WaterCHAPTER X. The Child and the MothCHAPTER XI. At Treff Loyne FarmCHAPTER XII. The Letter of WrathCHAPTER XIII. The Last Words of Mr. SecretanCHAPTER XIV. The End of the Terror