Barbara Levick 
Tiberius the Politician [PDF ebook] 

Tiberius has always been one of the most enigmatic of the Roman emperors. At the same time, his career is uniquely important for the understanding of the Empire”s development on the foundations laid by Augustus.
Barbara Levick offers a comprehensive and engaging portrait of the life and times of Tiberius, including an exploration of his ancestry and his education, an analysis of his provincial and foreign policy and an examination of his debauched final years and his posthumous reputation.
This new edition of Tiberius the Politician contains a new preface and a revised bibliography.