Aristotle 
On the Gait of Animals [EPUB ebook] 

Aristotle was an ancient Greek philosopher who was largely responsible for shaping Western philosophy as it is known today.  Aristotle, who was one of Plato’s students and would later tutor Alexander the Great, was also regarded as the world’s first scientist and his many writings are still revered today.  This edition of On the Gait of Animals includes a table of contents.