(Book) Read Sun Tzu's classic military treatise right on your phone. This is one of the world's oldest and most influential book on military strategy and tactics.

Comfortable and highly customizable reading experience.

Also includes Musashi's "Book of the Five Ring".

PowerVocab Ultra Edition contains over 1300 words and is designed for word-lovers. It can also be used to prepare a strong vocabulary for tests such as SAT, GRE, GMAT, ASVAB and so on. Words increase in difficulty as you go.