The lowest-priced, brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable).Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag.See details for additional description.
A lucid and surprisingly accurate introduction to the field of astrobiology and a thoughtful response to the Rare Earth hypothesis. --James R. Kasting, Penn State Astrobiology Research Center
David Darling has a D.Sc. in Physics from Sheffield University and a Ph.D. in astronomy from the University of Manchester, England. He lectures widely and is the author of about forty science books for adults and for children. He lives in Brainerd, Minnesota.