Dr. William B. Barrick, Old Testament professor at The Master’s Seminary, has uploaded the PDF for the book of Ecclesiastes
Word has it, that he is currently working on a commentary on this book as well.
On another note, I think it would be an enjoyable project for a synthesis on great exegesis be done on this book by someone well verse in Presuppositional apologetics and awareness of contemporary philosophy to apply it to a whole host of contemporary worldview and isms.
[...] Free Ecclesiastes Lessons on PDF by Old Testament Scholar William Barrick [...]