That said, I think that "reasonable" prices are probably those that offer lucrative revenue while still permitting a large portion of prospective users to buy the book. This is where the $39 model ceases to be optimal. Although it might increase revenues, it will ultimately preclude many purchases, and limit the ability of the book to proliferate. This is because most people, despite their interest in the book, simply cannot afford such an inordinate expenditure. This is certainly what occurred with me. Despite the fact that I was quite excited about the book and am optimistic about Meteor as a framework, there is simply no way I can front the money for such an expensive product.

I suppose that if revenues are the only thing that one desires, this is probably the preferable model (and there is certainly nothing unethical about it), but more accessible pricing is better if you want to reach a large audience.