THEY WALKED LIKE MEN by Clifford D. Simak                            Pan Books, First U.K. paperback printing, 1965                          Condition: Very Good                                                                                                                                                                        An exciting science fiction tale about aliens attempting to take over Earth.    Some very light cover creasing, modest spine end wear, small light impressions on back cover, slight spine lean, moderately toned pages.  Securely bound, no writing or markings.   Rather scarce edition.