This is a great idea, but, as is standard for Modiphius, it's just not taken seriously.
A lot of work was put into it, but then the editing staff didn't bother looking at it to catch dozens of errors. Items described and missings. Items on lines but no descriptions. Tables omitted from the book. Sections discussed and not present.
This book needs about another year of editing and re-writing. Modiphius should refund everyone who purchased it. The book isn't complete.