Analog: Science Fiction and Fact - November 1967

CONTENTS: ~ ~ ~ The Time-Machined Saga (Conclusion) [Harry Harrison]; STORIES: Of Terrans Bearing Gifts [Richard Grey Sipes]; Burden of Proof [Bob Shaw]; Dead End [Mike Hodous]; Experts In the Field [Christopher Anvil]; ARTICLES: The Safest Form of Transportation [John W. Campbell Jr.]; Target: Language [Lawrence A. Perkins]