I will admit that the cost of the first edition was solely down to the choices I made to ensure it was the best format for the book - originally things wouldn't have been so bad if only there hadn't been the overheads of publishing in e-book format.
So, the second edition was always going to be significantly cheaper - coming in at around half the cost of the original; at no sacrifice to quality, fifty percent more pages and the pages being about twice the size.
All aspects of the site being illustrated throughout in full colour.