author
Known for lively popular histories, this late-19th-century writer introduced general readers to ancient Egypt and Rome in clear, accessible prose. The surviving record is thin, which only adds a little mystery to the name behind these widely circulated history books.
E. Berkley appears to have been a historical writer whose books were aimed at general readers and students rather than specialists. Public-domain records confirm The Pharaohs and Their People (published in 1884) and identify the author on that title page as also the author of A History of Rome.
Library and reprint listings also associate the name with A New History of Rome, from the Earliest Times to the Fall of the Western Empire. Based on the books that can be confirmed, Berkley wrote readable surveys of the ancient world, focusing on big civilizations and broad historical storytelling.
Reliable biographical details about the person behind the name are scarce, so basic facts such as full name, dates, and personal background are not clear from the sources I could confirm here. What does come through is the work itself: concise, educational history writing that helped bring Egypt and Rome to a wider audience.