Following the advice of C.S. Lewis, it is needful to read the original sources of writing and often it is easier than “some dreary modern book ten times as long, all about ‘isms’ and influences and only once in twelve pages” saying what the original writer actually said.

There are many cheap Kindle books with writings of the church fathers which can be read not just on a Kindle but on your computer or on your phone or tablet with a free Android app or iPhone app. Most of these are only 99 cents and at most just a dollar or two more.