Ephraim E. Urbach
wrote The Sages: The World and Wisdom of the Rabbi's of the Talmud
comprising 1084 pages back in 1987.
Textbook and eTextbook are published under ISBN 0674785231 and 9780674785236.
Since then The Sages: The World and Wisdom of the Rabbi's of the Talmud textbook
was available to sell back to BooksRun online for the top buyback price
or rent at the marketplace.