Descripción de editorial
A sorry for himself Athenian mathematician, exiled from Athens on pain of death. But for Carthage his theories could lead to a navigation system. Anaxagoras has a choice. Help the natural enemies of Athens or fade into obscurity? Hanno wants his man; and his secrets to accurate navigation. Its 450BC and Hanno now knows he needs just one piece for the picture; to take Cartage on to its destiny.