Shane Short

The 26th century. Humanity has expanded beyond Earth’s system to hundreds of planets that colonists now call home. But the United Earth Government and the United Nations Space Command is struggling to control this vast empire. After exhausting all strategies to keep seething colonial insurrections from exploding into a full-blown interplanetary civil war, the UNSC has one last hope.

Betrayed by his most trusted adviser, Roman Emperor Valerian has been captured by the Sassanid barbarians. The shame of the vanquished beats down mercilessly like the desert sun as the frail old emperor prostrates himself before Shapur, king of kings. Ballista looks on helplessly but vows under his breath to avenge those who have brought the empire to the brink of destruction with their treachery.

In Mastery, Robert Greene's fifth book, he mines the biographies of great historical figures for clues about gaining control over our own lives and destinies. Picking up where The 48 Laws of Power left off, Greene culls years of research and original interviews to blend historical anecdote and psychological insight, distilling the universal ingredients of the world's masters.