Garth of Izar on Tactics

Garth of Izar on Tactics is a textbook publication about military battle strategies authored by Captain Garth of Izar.

History
James T. Kirk owned a copy of it in book-tape form in 2273. He kept it in his quarters along with tapes on poker, limericks and Horatio Hornblower. In 2273, he relaxed while listening to the tapes. 

Garth wrote another textbook on military tactics: Victory at Aximar. Kirk owned a print edition of that book.