The folklore of ancient lands abounds with creatures that cannot be. Dragons, chimeras and griffons! Hippogriffs and minotaurs! Orcs and feathered serpents! Wondrous monsters that are the imaginative melding of disparate parts and talents. There are fish with golden eyes that prophesy; men with the bodies of horses that instruct young heroes, and birds that pursue and punish the guilty. Such beings are undoubtedly immortal, for they are still with us, passing from Parnassus to Appalachia; from the forests of Germany to the Ozark Hills...
Had to contact a local (not my state) bookstore to find this, as it is out of print. Loved that he included lesser known fearsome beasts, but was sad he mentioned a million that weren't highlighted. Nice references for further research, however.