Procopius

"Procopius of Caesarea (Greek: Προκόπιος ὁ Καισαρεύς Prokópios ho Kaisareús; Latin: Procopius Caesariensis; c. 500 – 565) was a prominent late antique Greek scholar from Caesarea Maritima. Accompanying the Roman general Belisarius in Emperor Justinian's wars, Procopius became the principal Roman historian of the 6th century, writing the History of the Wars, the Buildings, and the Secret History."

• Wikipedia - overview of this book or author
• [https://archive.org/search?query=procopius Archive.org} - free, older, scanned, digital versions of this book or author
• eBay.com - printed, second-hand, early edition versions of this book or author
• Amazon.com - new, used, digital and print versions of this book or author