The Gospel of Luke: A Modern Bible Commentary by BookCaps
Approx. 11,220 words.
Published on December 6, 2011.
There are lots of Bible commentaries on the Book of Luke, but BookCaps offers one of the first electronic Bible Commentaries for the modern reader.
This commentary includes an introduction to the book (including the history of the text, the structure, and the themes), a chapter by chapter summary, and discussion questions.