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Good find. I believe Amazon allows you to sell ebooks internationally, I could be wrong though.

It does.

perhaps the author can offer the ebook on their site/blog with a paypal payment for the PDF. Living in the UK and cannot purchase this at the mo.

I really like this idea and will buy the book. However, it would be nice if the comments were time-stamped, as not all advice is timeless.

I originally planned to provide a link to the original but decided to keep it simple.

Do you mean a link or the original date?

[EDIT: Original date done in next release. Thank you, zyfo.]

Not quite a book, but most of the (unpublished) essays I write start out as simple forum posts.