Makers2 books in series
Life Probe Publisher's Summary
The Makers searched for the secret to faster-than-light travel for 100,000 years. Their chosen instruments were the Life Probes, which they launched in every direction to seek out advanced civilizations among the stars. One such machine searching for intelligent life encounters 21st-century Earth. It isn't sure that it has found any....©1983, 2009 Michael McCollum (P)2012 Audible, Inc.