He says:

But as the influence of language study (and seminary) wanes, and the number of Greek textbooks grows, there is a new kind of Greek textbook every Greek student should beg, borrow or sell a kidney to get a copy of: A.-F. Christidis’ A History of Ancient Greek: From the Beginnings to Late Antiquity.

Before I leave North America, I plan on owning this book somehow.

And you should too. How many NT students have even a cursory grasp of the Greek language beyond the NT, LXX & may the Apostolic Fathers?

Read the full post here: Douglas Estes – Greek Students, Sell Your Kidney! Why you need to read Christidis